This is great news. I was more than certain that the show was getting axed, especially with the American Dad renewal. With a short order (no pun intended) of 13 episodes, I'd expect to see this come back next Spring, once they're run through the gamut of AD/Cleveland episodes early in the fall.
If you got turned off by the admittedly-awful first episode, give it another chance. You won't be sorry.
I don't believe he's a "new" regeneration of the Doctor. I believe he's the battle-scarred remnant of the Eighth Doctor (aka PaulDoc - Paul McGann's version from the 1996 TV movie), the one who (apparently)