OK, the villian is a 48/13 over 54 hands. He has called like everyone of my open raises and auto bet every time I have checked the flop and called a couple of my C-Bets and pushed me off like 4 small pots already. He hasn't 3 bet anyone yet but the sample size is small, so I don't know what to make of his call(in this hand) other than it is a very wide range.

When this Villian calls the flop I feel like he could literally have any pair, even something like 33 or any gutshot. However his turn lead surprises me greatly and my inner nit screams that I am beat here. I think his bet here almost never is a bluff or blocking bet with somthing like A7.

I guess my main question would be what kind of reads would I be looking for to fold, call. shove etc given that this turn lead is something that I haven't seen out of him yet, granted we have not played THAT many hands together. I think I should be able to make a decision here that I feel better about, and not revert to my default tendency to turn into a calling station when I am confused.

And....once I call the turn and I obligated to call the river, and if so why?