How to get your baby to sleep in their crib?!?

Keeonna • Easton Alexander 5-12-18👶🏼💙

I’ve been letting my son sleep in a rock n play and he is almost 3 months old. But we just got his crib up and he moves and grunts the whole time. It’s hard to sleep hearing him. And I want him to get a good sleep.

What do I do.