100NL: Turned TPTK in 3bet Pot v. Reg

[SluggishJ82]

Villain in this hand is a reg that I think I've played a decent amount with. I have him at 22/19/3.5 over a couple thousand hands. Button caller is a huge fish and is the reason I'm trying to isoraise here.

I'll simply check the flop and give up sometimes but I figured a bet would probably fold the better A high's so meh. Anyways, his flat on the flop seems pretty strange as I'd expect him to probably just shove KK/AA type hands as it's less than a psr at this point. Turn getting checked through seems pretty weird also. What's your line here on the river?

Full Tilt Poker, $0.50/$1 NL Hold'em Cash Game, 6 Players
LegoPoker Hand History Converter

UTG: $150.65
MP: $190.70
CO: $253.15
BTN: $94.50
SB: $95
Hero (BB): $103.50

Pre-Flop: A[img]/images/graemlins/club.gif[/img] J[img]/images/graemlins/diamond.gif[/img] dealt to Hero (BB)
UTG folds, <font color="red">MP raises to $3.50</font>, CO folds, BTN calls $3.50, SB folds, <font color="red">Hero raises to $16</font>, MP calls $12.50, BTN folds

Flop: ($36) 4[img]/images/graemlins/club.gif[/img] T[img]/images/graemlins/diamond.gif[/img] T[img]/images/graemlins/heart.gif[/img] (2 Players)
<font color="red">Hero bets $21</font>, MP calls $21

Turn: ($78) J[img]/images/graemlins/heart.gif[/img] (2 Players)
Hero checks, MP checks

River: ($78) 9[img]/images/graemlins/spade.gif[/img] (2 Players)
Hero checks, <font color="red">MP bets $153.70 and is All-In</font>