NL10: Overplaying KK?

[RapidEvolution]

PokerStars No-Limit Hold'em, $0.10 BB (9 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: 2+2 Forums)

MP2 ($5.30)
MP3 ($6.10)
CO ($9.85)
Idiot ($12.95)
SB ($7.90)
BB ($5.15)
UTG ($10.35)
UTG+1 ($14.85)
MP1 ($14.10)

Preflop: Idiot is Button with K[img]/images/graemlins/club.gif[/img], K[img]/images/graemlins/spade.gif[/img].
<font color="#666666">1 fold</font>, UTG+1 calls $0.10, MP1 calls $0.10, <font color="#666666">3 folds</font>, <font color="#CC3333">Idiot raises to $0.55</font>, SB calls $0.50, <font color="#666666">1 fold</font>, UTG+1 calls $0.45, MP1 calls $0.45.

Flop: ($2.30) 4[img]/images/graemlins/heart.gif[/img], J[img]/images/graemlins/heart.gif[/img], T[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(4 players)</font>
<font color="#CC3333">SB bets $0.2</font>, UTG+1 calls $0.20, <font color="#CC3333">MP1 raises to $2</font>, <font color="#CC3333">Idiot raises to $4</font>, SB folds, UTG+1 folds, <font color="#CC3333">MP1 raises to $13.55</font>, Idiot calls $6.40 (All-In).

Turn: ($23.50) 6[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(2 players, 1 all-in)</font>

River: ($23.50) 7[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(2 players, 1 all-in)</font>

Final Pot: $23.50