I know it's hard to take all of this in and assimilate it. Sometimes when you don't know what to do, it's best to do nothing and wait for the answers. It's probably too soon to really get a good grasp on what's going on. The answers about WhY and How will come with time and the way becomes more and more clear.
Right now, focus on your daughter and making sure her needs are met.
"You know, it's times like these when I realize what a superhero I am." Tony Stark/Iron Man
“Focus on what you can do, then do it with all your heart.” Lois Wilson