AQ two-pair on AKQ flop

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Party Poker 2/4 Hold'em (10 handed) converter

Preflop: Hero is UTG+1 with A[img]/images/graemlins/club.gif[/img], Q[img]/images/graemlins/club.gif[/img]. MP3 posts a blind of $3. CO posts a blind of $2.
<font color="#CC3333">UTG raises</font>, <font color="#CC3333">Hero 3-bets</font>, <font color="#666666">3 folds</font>, MP3 (poster) calls, <font color="#666666">4 folds</font>, UTG calls.

Flop: (12 SB) A[img]/images/graemlins/heart.gif[/img], K[img]/images/graemlins/spade.gif[/img], Q[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(3 players)</font>
<font color="#CC3333">UTG bets</font>, <font color="#CC3333">Hero raises</font>, <font color="#CC3333">MP3 3-bets</font>, UTG calls, <font color="#CC3333">Hero caps</font>, MP3 calls, UTG calls.

MP3 is extremely loose and will go all in soon with his short-stack. I'm not too worried about his holding. I believe my cap is correct here, right?

Turn: (12 BB) 4[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(3 players)</font>
UTG checks, <font color="#CC3333">Hero bets</font>, MP3 calls, UTG calls.

River: (15 BB) K[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(3 players)</font>
UTG checks, <font color="#CC3333">Hero bets</font>, MP3 folds, UTG calls.

Continue betting here?

Final Pot: 17 BB

[Gravy (Gravy Smoothie)]

I don't think there's much value in a river bet here. I'd check and call.