My 15 month old wont sleep in her bed?

Hey I really need my daughter to sleep in her crib because its dangerous for her to sleep with me and my bf. And I don't want her trying to sleep with us when she's 13 yrs old. But anyway everytime I get her to sleep I lay her in her crib she wakes up screamin and I tried lettin her cry it out but she just kept cryin for like a hour straigt,I make sure her diaper is dry n everything,but once I put her in my bed she goes right to sleep.how can I get her to sleep in her bed btw she has a stuffy n night light...I need help!