I'll respectfully disagree. She may form an attachment with this friend, maybe not, maybe someone else down the road. That part doesn't matter. What matters is you're putting yourself in the position of financing her lifestyle because you're trying to regain her love. You need to make absolutely sure you aren't doing it for that reason. If you do it for your daughter, fine, but don't do it to win back your XW.
You won't know she's happy or when her dreams come true and, sorry, you shouldn't pretend to believe you could. You aren't her. The best you can do is act out of your own interests to advance your own life. You have no control or understanding over anything else. Sorry, don't mean to come down hard on you.
BTW, I really enjoy your writing. Where are you at now? Still back east?