Babies last name?

So me and my child's father are not together but he has been there for me and his son so far and there has been times where we don't get along but we trying because of or child. My son is due Sept 18th and I know what I wanna name him as far as his first and middle name. I just can't figure out what to do with his last name mines is Jones his is Nix. My son name will be Jaleel keyon ??? I thought about both but does it sound weird Jaleel keyon Jones-Nix or Jaleel keyon Nix-Jones??