My DS was similar, would wake up multiple times through the night. We took him to a sleep school at 11 mnths with limited success (I would not recommend it unless your DH is on the same page... part of our problem was that when we got home OH didn't want to listen to him crying and would tell me to just feed him which defeated the purpose)

We ended up getting him a king single so that I can join him with enough room for all of us. He starts off the night on his own and at some point I join him. I weaned him at 33 mnths and he was really only feeding once at night for about 6 mnths. It wasn't easy then but I don't think it was ever going to be easy. He still doesn't sleep through

This is not to say that you can't help your DD to sleep better or through or whatever just letting you know of our experience Goodluck and hope it works for you