KQs with a coordinated board

[Dustangel]

Poker Stars
Limit Holdem Ring game
Limit: $0.10/$0.2
6 players
Converter

Pre-flop: (6 players) Hero is Button with K[img]/images/graemlins/heart.gif[/img] Q[img]/images/graemlins/heart.gif[/img]
UTG calls, UTG+1 folds, CO calls, <font color="#cc0000">Hero raises</font>, SB folds, BB calls, UTG calls, CO calls.

Flop: T[img]/images/graemlins/diamond.gif[/img] J[img]/images/graemlins/spade.gif[/img] K[img]/images/graemlins/spade.gif[/img] (8.5SB, 4 players)
BB checks, <font color="#cc0000">UTG bets</font>, <font color="#cc0000">CO raises</font>, <font color="#cc0000">Hero 3-bets</font>, BB calls, UTG calls, CO calls.

Turn: 3[img]/images/graemlins/diamond.gif[/img] (10.25BB, 4 players)
BB checks, UTG checks, CO checks, <font color="#cc0000">Hero bets</font>, BB calls, UTG calls, CO calls.

River: 7[img]/images/graemlins/diamond.gif[/img] (14.25BB, 4 players)
BB checks, UTG checks, CO checks, Hero checks.

Results:
Final pot: 14.25BB

BB is the absolute calling station, UTG seems average, CO is rather loose, although I don't think reads are useful with that number of players in the pot. My image at the table is ve-e-ery tight - around 10/5/2.5.

What did I do wrong?