TBH as a parent of a now adult DS with SEN, I think the best favour you can do yourself is take a note book and visibly take notes. It is amazing how people become more polite and more helpful when there is a record of what they say. I just used to smile vaguely and say something like " this is obviously an important meeting, I just want to make sure I don't forget anything". If your DH can be there too so much the better.
Who asked for the meeting, you or the school?
In terms of questions to ask I'd suggest:
Do you think her educational achievement is delayed?
If so, in what respects?
What is her behaviour like in class?
How does this compare with other children her age?
Does this amount to a special educational need?
Do you recommend we seek an EHCP?
Why/why not?
Does she have friends?
What happens in the playground at break times?
How are you monitoring her?
What actions are you planning?
When should we meet again to assess progress?
Can we have a home/school book (where you and the teacher can write brief notes to each other eg she knows all those spellings now, can we have some new ones please or X seemed very tired in class today).
What can we usefully do at home to support her learning at school?
Note the key word is support. I have never yet been to a meeting at a school where they did not try to push everything onto me. I became expert at pushing it back to them. If they ask you what you are doing at home say that you feel you would like to hear first what the school's plan is and then once that is clear you can discuss how you can support at home the work being done at school.
Schools are under-resourced and teachers are very busy but do not let them get you on the back foot. If necessary keep repeating "thank you, but I would like to know what assessments and interventions the school is planning." There will be some funding for support groups within school e.g. SALT and social skills groups and your DD's teacher should give her differentiated work.
Be nice, smile a lot through gritted teeth and thank them, saying that you know they, like you, want the best for your DD and want to see her progress and you have found the discussion very helpful, even if you have not. Suggest another catch up at the end of term (or whatever interval seems best to you). Pleasant but implacable is what you are aiming for.
If they are being awkward with you, tell them you feel disappointed that the school, who are the experts and must see children with a wide range of needs and behaviours, do not seem to have a clear plan and go back into the questions above. They can't tell you how you feel and they should have a plan.
In reality though, I think you have to accept that once you have worked out what help your DD needs, a lot of it will have to come from you and you will need to get pushy.
My DS eventually moved to a special school as that was the best thing for him. Every single mum I met there (and it WAS always the mums) had pushed for an EHCP, had made sure they were on first name terms with the special needs team at the local authority, could recite their child's EHCP from memory and had spent hours and hours with their child working on whatever skills they needed. Pretty much all those children got GCSEs and some went on to university.
Your DD is still very young and please don't be disheartened. My DS as a young adult is a million miles away from where he was at primary school.