NL50 - KK Stomach Pains

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Full Tilt Poker
No Limit Holdem Ring game
Blinds: $0.25/$0.50
8 players
Converter

Stack sizes:
UTG: $60.70
UTG+1: $51.65
Our Plucky Hero: $91.70
MP2: $48.50
CO: $9.25
Button: $58.70
SB: $49.45
BB: $60.05

Pre-flop: (8 players) Our Plucky Hero is MP1 with K[img]/images/graemlins/diamond.gif[/img] K[img]/images/graemlins/spade.gif[/img]
2 folds, <font color="#cc0000">Our Plucky Hero raises to $1.5</font>, 2 folds, Button calls, <font color="#cc0000">SB raises to $4.5</font>, BB folds, Our Plucky Hero calls, Button folds.

Flop: Q[img]/images/graemlins/spade.gif[/img] 8[img]/images/graemlins/diamond.gif[/img] J[img]/images/graemlins/heart.gif[/img] ($11, 2 players)
SB checks, <font color="#cc0000">Our Plucky Hero bets $8</font>, <font color="#cc0000">SB raises to $18</font>, Our Plucky Hero folds.

Thoughts? No reads. I'd been playing solidly.