What would you do?

dnt no wer to start with this... I have a 9mth old bby girl whose my world,,, but her dady has never seen her i ws goin with him last year only for a few months but we broke up n he went bck with his x who he already had a child with and he apparently is meant to have another daughter with smeone else who hes neva seen and hes onli 20 ni.... i found out i ws preg 2 weeks after we broke up and i fned n tld em straight away but he didnt care and denyed her n threatened me,,, but a few mths l8r i spoke to him on the fne n he said he wuld be there for the baby n stuff and i even spoke to his girl on the fne and she ws sayin shel get him to do the rite thing and be there for the baby but then i neva heard nothing but whhen i had her i txted his friend a pic of the babie an he sent it n to him but still never heard a thing instead he'd changed his number then i sent him a few pictures of her to him and his mumy in the post with my number and all on it and still nothing,, im honestly not worried money ways cos ive been doing it on my own for 9 mths and dnt him its jus i really ant my daughter to have her dady and no him and i dnt no weather to go over to him or jus leave it and hope he cums to his senses but i havent seen him in 18 mth n lst time i spoke to him i ws 6 mths preg n im jus so confused Sad