Tips please

Cass • •Mrs. 💍 •27💕• 2/20/2011👦🏻, 12/14/17👧🏼, 1/6/20 👶🏼

My daughter won’t sleep unless she is held or in a swing.. she is now 7 months old and it comes from holding her when she sleeping in the nicu plus not getting to hold her for 48 hours made it where I didn’t want to let her go.. I want to get her sleeping in her crib. Any tips on how?