Previous 2 orbits I raise his big blind and take the pot down either by cbetting or turn cbetting a scare card. I had a feeling that he was having enough of it. Given that, what's my best play on turn here, and why?

Villain is v.good TAG reg.

Cryptologic
No Limit Holdem Ring game
Blinds: $5/$10
4 players
Converter
Table "SaoLuis" Seat 6 is the button.
Seat 1: beatriz sits out
Seat 2: HERO($2005.25 in chips)
Seat 3: BB ($1055 in chips)
Seat 4: Kj2112 sits out
Seat 5: Haagendaz ($1015 in chips)
Seat 6: Pard01 ($1070 in chips)

Pre-flop: (4 players) Hero is SB with
2 folds, Hero raises to $30, BB calls.

Flop: ($60, 2 players)
Hero bets $45, BB calls.

Turn: ($150, 2 players)
Hero ??