200nl: KK in 4bet pot preflop

[nation]

guy who 4-bet was 23/8 with a 1.00 af. i really hate this spot because he's passive enough that he has AA here a ton, but then again I did 3-bet a minraise so it could be a squeeze.

does the fact that it could be a squeeze make this an insta-shove?


Full Tilt Poker, $1/$2 NL Hold'em Cash Game, 8 Players
LegoPoker Hand History Converter

MP2: $159.45
Hero (CO): $215.35
BTN: $239.10
SB: $167.80
BB: $296.95
UTG: $185.15
UTG+1: $232.90
MP1: $200

Pre-Flop: K[img]/images/graemlins/heart.gif[/img] K[img]/images/graemlins/club.gif[/img] dealt to Hero (CO)
UTG folds, <font color="red">UTG+1 raises to $4</font>, MP1 calls $4, MP2 folds, <font color="red">Hero raises to $19</font>, <font color="red">BTN raises to $60</font>, 4 folds, <font color="red"> Hero....?</font>