Dozer is absolutely beautiful.
However..my opinion is, since you don't know his background..don't breed him. So many people breed their bulldogs based on just their appearance and end up with dogs with lots of health problems. I know you stated Dozer is healthy, but there could very well be something in his background.
I won't preach all of my reasonings, lol, because I don't want to upset anyone.
But, I'd save yourself the trouble and neuter him. Neutered dogs are a lot easier to deal with. I also find it weird that the vet brought up breeding with him at an appointment.