What a shame about the Counsellor. You must have felt very frustrated. Although you are going ahead with meeting up with DH, don't try and replace the counselling session with having a conversation 1:1. The dynamic will be very different and as neither of you has been in this position before, its perhaps a tiny step. One tiny step of many tiny steps, if that makes sense.
It sounds as though much of his success has been made possible by your strengths and abilities, by your innate sense of family. You describe the changes in him that have come about by his business achievements. It may be that he likes being this new guy - you know, that dick-swinging-plonker-type, unstoppable and everyone's best friend.
Some people do go through life like this. When they get bored with one bit, they move on and reinvent themselves in a different arena. Often with barely a backward glance. I've seen it done and it still shocks me. Its almost as though they feel entitled to seek out happiness and success, whatever the cost. They will rarely acknowledge that they were ever a partnership
As for his attitude towards women. I'm sure in all-male company, these sorts of comments are commonplace. In your own home to the mother of your child is lazy, disrespectful and makes him look ignorant. (It also sounds as though your parents did an excellent job building your self esteem). Haha! - framing children's artwork! Fair enough if that floats your boat, but being disparaging about other people's taste is just ignorant and nasty. I'd love to fast forward him to having teenagers... 
So... his wandering dick has created a moment in your relationship where everything, absolutely everything is on the table. That's why I'm saying to look on tomorrow as a tiny step, or a shuffle towards getting some clarity. The image you have built of your DH is not one of someone who will react well to hearing the truth. I don't think he will go postal, but you may not come away from it with any clear view one way or the other. And remember its just words. They matter, but his key responses will be in actions and those need to be actions of an adult, not petulant child. He's the one whose had his teaspoon in the Nutella, so to speak, not you. He needs to take ownership for that.
However, I think its a vital step for you towards finding your own position on it all. It may be that you will continue to pursue a future with or without him. He may stay where he is in life, he might be happy with who he is. If you start to realise that you don't want to drag him into the next phase of your marriage rather than him willingly come with you, go about sorting out your life for you and DD. Be a step ahead and let him follow in your wake.