I doubt that it will- I think it was a one time run kind of thing, like "Sports Kids Moms and Dads," and "Show Biz Moms and Dads." I have heard *rumors* that they might do another one, perhaps focusing on Juniors, but I think it's all speculation at this point.
Jenn- SDM&Ds was a "reality" show focusing on about 5 different families in the world of dog shows. They pretty much picked the most off the wall, least normal people in the fancy to follow, so on the whole, anyone who's never been to a dog show, is going to think we're all crazier than they did before.
Of course you can't really blame the producers- the show would've been a lot less interesting (at least to those who aren't as interested in dogs), had they picked more representative people. But what "reality" TV is all that close to reality anyway?
That being said- I thought it was hilarious and watched the whole season, LOL.