I have a newly hatched great horned tamato moth what do i do!?

Well i have had a caccon of a great horned tamato worm and i kept it to see if it would hatch! and it did! now i dont know what to do with it its to cold to let it go and its wings are still drying tommorow it will be warmer so i have to keep it inside and well i dont know what to feed it or anything! PLEASE help!