$25NL - QQ OOP Check Up

[SoulPower]

Haven't noticed anything out of the ordinary about the CO. Flat call PF? Do I have to lead the flop here? Do I call the river which, along with the check through on the turn, feels like a value bet to me.

Party Poker No-Limit Hold'em, $ BB (6 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: 2+2 Forums)

UTG ($23.90)
MP ($16.10)
CO ($18.15)
Button ($30.05)
Hero ($24.80)
BB ($24.75)

Preflop: Hero is SB with Q[img]/images/graemlins/club.gif[/img], Q[img]/images/graemlins/diamond.gif[/img]. Hero posts a blind of $0.10.
<font color="#666666">2 folds</font>, <font color="#CC3333">CO raises to $1</font>, <font color="#666666">1 fold</font>, <font color="#CC3333">Hero (poster) raises to $1.9</font>, <font color="#666666">1 fold</font>, CO calls $1.

Flop: ($4.25) T[img]/images/graemlins/spade.gif[/img], 7[img]/images/graemlins/diamond.gif[/img], K[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">Hero bets $3</font>, CO calls $3.

Turn: ($10.25) K[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(2 players)</font>
Hero checks, CO checks.

River: ($10.25) 7[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(2 players)</font>
Hero checks, <font color="#CC3333">CO bets $2</font>, Hero ???