KK 3 bet pot

[Profish2285]

At first I thought this is a standard fold but Im unsure because my diamonds and 2 outs to the set could be good. Villain runs at 23/12/1.29. He isnt very aggressive so I figured he could easily have me drawing to 2 outs, but then again I really had no idea.

Full Tilt Poker, $0.25/$0.50 NL Hold'em Cash Game, 6 Players
LeggoPoker Hand History Converter

SB: $34.50
Hero (BB): $82.25
UTG: $51.90
MP: $16.95
CO: $71.15
BTN: $78.20

Pre-Flop: K[img]/images/graemlins/diamond.gif[/img] K[img]/images/graemlins/club.gif[/img] dealt to Hero (BB)
UTG calls $0.50, MP folds, <font color="red">CO raises to $2.25</font>, 2 folds, <font color="red">Hero raises to $9</font>, UTG folds, CO calls $6.75

Flop: ($18.75) T[img]/images/graemlins/diamond.gif[/img] 7[img]/images/graemlins/diamond.gif[/img] A[img]/images/graemlins/club.gif[/img] (2 Players)
Hero checks, <font color="red">CO bets $9</font>, Hero calls $9

Turn: ($36.75) 3[img]/images/graemlins/diamond.gif[/img] (2 Players)
Hero checks, <font color="red">CO bets $22</font>, Hero....