PLEASE HELP... tired momma

Kasey
Hey guys.. so I have a 6 month old who recently just started sleeping her crib. We had been co-sleeping. Ever since she's been in her crib she wakes up at 5AM......😒 when she slept in bed with me she would sleep 12 hours at a time.. now she sleeps maybe 9 and wakes up at 5AM and won't go back to sleep, I tried feeding her but I don't want to create a habit because I know she can go longer. What should I do?