H.P.
The majority of dance studios won't take kids under 3 and who aren't potty trained. However, the city of Denton offers dance classes and MIGHT have a baby one. Other than that, even out of Denton, I don't think you'll have much luck.
I don't recommend Denton Ballet Academy. It is a very disappointing experience. There are several schools in Flower Mound and Lewisville that have decent reputations. We go to Turning Pointe in Bartonville (about a 10 minute drive from South Denton), which is well-run, clean, and has caring instructors. They do offer hip hop classes, and there are always a couple of boys that participate. However, there may be a school more suited to your needs. I know Dance Fusion in Denton has a focus on hip hop. Good luck.