Villian has 580 UTG and calls. He is 45/15, and actually winning over a 100 hands.
I just had him lead into me when I was the PFR when he hit his A with a 3 kicker. And call my raise (we checked it down and split the pot, I had A5s).

I raise to 20 with (I have 460)
BB and villain calls

Flop (60)
Checked to me. I bet 55, BB folds and villain calls

Turn (170)
Checked to hero who?

Depends on how aggressive he is. If he's aggressive and capable of a well-executed bluff then I would check behind and be prepared to call a river bet. If he's a station, then I would bet $120 or so.

Keep pounding...if he has a 7, you're going to find out right now. If he calls and open pushes the river, fold fearing the 7 for sure. T8 beats you, but if he has that, good for him (again, don't pay him off though). I prolly check down the river behind.

And 100 hands is NOT enough to tell if he's 'winning' with those stats.

I'd bet fold to a raise. or somethin like that. Iceman is always right.

I bet 100. He called.

River is a (270) (Board is J9877r)
He open-pushes and it is 280 for me?
Can I get away getting 2:1?

A bet of 120 and the pot would be 310 and I would have 260, getting 2.2:1