We have always settled at night by bfing DD to sleep. This worked well, and she previously slept 6.5-8 hours straight each night after a bf.
Now she has hit the dreaded regression. At first I thought she was growing so dutifully fed her each time she woke. Tough, but I thought it was what she needed. It would pass in time if I gave her plenty of milk and cuddles.
But last night I read something saying that if you do this, it becomes a permanent sleep association and it's making a rod for your own back

Wtf to do???
Right now DD feeds to sleep at 8pm
I stay with her till 9 to make sure properly settled
Sleeps on own till normally about 11.30-midnight
Cries and feeds hungrily, often in a cluster feeding way, till about 1am
Then up again 2.45/3, 4.30/5, 6.30/7, then up for day around 8. Some nights it is every hour from midnight till getting up, for at least half an hour a time.
It's fucking killing me. I can't co sleep as I don't feel I'm safe to do so. Will it just pass if I stick it out? Or am I making everything worse by feeding her?
Please help - returning to work soon in demanding job and really worried about performance/safety :(