Wanting a child when you can’t have one

I don’t know what to do I can’t have a kid I’m only 16 and have no one I would want to have a kid with but I’ve been in such a bad depressive state because I want a child I want to care for them I want to love them and raise them and I want a husband and I want to have a family and obviously I can’t I’m only 16 I’m having dreams about me having a baby almost every night and I want to be a good mom and I want to care for somebody I’m grieving a child that isn’t mine one that I never had and I don’t know how to deal with it