Valuebet 3way vs LAG?

[Poldi]

BB is LAG (35/23/1.9)
CO is loose-passive (66/7/0.6)


Party Poker 10/20 Hold'em (6 max, 6 handed) converter

Preflop: Hero is Button with T[img]/images/graemlins/club.gif[/img], A[img]/images/graemlins/club.gif[/img].
<font color="#666666">2 folds</font>, CO calls, <font color="#CC3333">Hero raises</font>, <font color="#666666">1 fold</font>, BB calls, CO calls.

Flop: (6.50 SB) 8[img]/images/graemlins/diamond.gif[/img], Q[img]/images/graemlins/diamond.gif[/img], A[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(3 players)</font>
BB checks, CO checks, <font color="#CC3333">Hero bets</font>, BB calls, CO calls.

Turn: (4.75 BB) J[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(3 players)</font>
BB checks, CO checks, <font color="#CC3333">Hero bets</font>, BB calls, CO calls.

River: (7.75 BB) Q[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(3 players)</font>
BB checks, CO checks, Hero..

Plan?
BB seems tricky so I probably have to pay off if he CRes. A CR from CO would be an easy fold. If the LAG CRes and the LP calls, should I be more inclined to call because of the overlay or more inclined to fold because he now could have a Q too?