Raise turn for value?

[sluttysteve]

No read on UTG+1, CO is a low-stacked uber-LAG.

Party Poker 2/4 Hold'em (9 handed)

Preflop: Hero is Button with K/images/graemlins/club.gif, K/images/graemlins/diamond.gif.
UTG folds, <font color="CC3333">UTG+1 raises</font>, MP1 folds, MP2 folds, MP3 calls, <font color="CC3333">CO 3-bets</font>, <font color="CC3333">Hero caps</font>, SB folds, BB folds, UTG+1 calls, MP3 calls, CO calls.

Flop: (17.50 SB) 6/images/graemlins/heart.gif, Q/images/graemlins/heart.gif, 4/images/graemlins/club.gif <font color="blue">(4 players)</font>
UTG+1 checks, MP3 checks, <font color="CC3333">CO bets</font>, <font color="CC3333">Hero raises</font>, UTG+1 calls, MP3 calls, CO calls.

Turn: (12.75 BB) 4/images/graemlins/diamond.gif <font color="blue">(4 players)</font>
<font color="CC3333">UTG+1 bets</font>, MP3 folds, CO calls, Hero calls.

River: (15.75 BB) T/images/graemlins/heart.gif <font color="blue">(3 players)</font>
<font color="CC3333">UTG+1 bets</font>, CO folds, Hero calls.

Final Pot: 17.75 BB

[MoDOH]

definitely raise. whenever someone comes alive and bets into the field when the board pairs I smell a rat...
If they really had paired they would have gone for the CR, especially with all the action on the flop...