$3R - KK reraised on unicolor flop

[Shadowlike]

villain runs 27/14/1.8 over 52 hands. Is this a fold?

Poker Stars, $3 + $0.30 NL Hold'em Tournament, 600/1,200 Blinds, 9 Players
LegoPoker Hand History Converter

MP1: 79,104
MP2: 28,555
Hero (CO): 42,968
BTN: 72,302
SB: 15,398
BB: 65,298
UTG: 81,841
UTG+1: 14,678
UTG+2: 16,947

Pre-Flop: (2,925) K[img]/images/graemlins/diamond.gif[/img] K[img]/images/graemlins/spade.gif[/img] dealt to Hero (CO)
5 folds, <font color="red">Hero raises to 3,000</font>, 2 folds, BB calls 1,800

Flop: (7,725) 6[img]/images/graemlins/club.gif[/img] 2[img]/images/graemlins/club.gif[/img] 5[img]/images/graemlins/club.gif[/img] (2 Players)
BB checks, <font color="red">Hero bets 6,000</font>, <font color="red">BB raises to 25,200</font>, Hero ???