10NL 6m- KK on drawy board

[youthies]

Villain was 61/5/.5 over 40 hands, and was a definite calling station. On the river, I felt like I had to call, given the odds. What do you think?

PokerStars No-Limit Hold'em, $0.10 BB (6 handed) Hand History Converter Tool (http://poker-tools.flopturnriver.com/Hand-Converter.php) from FlopTurnRiver.com (http://www.flopturnriver.com) (Format: 2+2 Forums)

SB ($35)
BB ($11.05)
UTG ($6)
Hero ($11.65)
CO ($7.25)
Button ($0.40)

Preflop: Hero is MP with K/images/graemlins/spade.gif, K/images/graemlins/club.gif.
<font color="#666666">1 fold</font>, <font color="#CC3333">Hero raises to $0.4</font>, CO calls $0.40, Button calls $0.40 (All-In), <font color="#666666">2 folds</font>.

Flop: ($1.35) 6/images/graemlins/heart.gif, 5/images/graemlins/club.gif, 8/images/graemlins/spade.gif <font color="#0000FF">(3 players, 1 all-in)</font>
<font color="#CC3333">Hero bets $0.75</font>, CO calls $0.75.

Turn: ($2.85) 4/images/graemlins/club.gif <font color="#0000FF">(3 players, 1 all-in)</font>
<font color="#CC3333">Hero bets $1.8</font>, CO calls $1.80.

River: ($6.45) T/images/graemlins/club.gif <font color="#0000FF">(3 players, 1 all-in)</font>
Hero checks, <font color="#CC3333">CO bets $4.3 (All-In)</font>, Hero calls $4.30.

Final Pot: $15.05