Lucy in the Sky with Diamonds

[okayplayer]

10/20NL, full ring. Villain is relatively tight (19/5/2), used to be pretty weak/tight (15/3/2), but he opened up his game a lil in the last month or so , but I still regard him as tight. He has $2065 and I have him covered.

Villain limps UTG, MP (TAG) raises to $80, LP calls, and I call 66 [img]/images/graemlins/diamond.gif[/img] in the BB and Villain calls as well.

Flop ($330): 7 [img]/images/graemlins/diamond.gif[/img] 5 [img]/images/graemlins/diamond.gif[/img] 3 [img]/images/graemlins/diamond.gif[/img]

I will usually lead here, but decide to check, Villain checks, and MP bets $300, LP folds, I call (? I raise this usually but I want to see what Villain does), and Villain makes it $900, MP folds, and I...