2 pair on straight board - call river?
 

Full Tilt Poker, $0.10/$0.25 NL Hold'em Cash Game, 6 Players
LegoPoker Hand History Converter

CO: $42.85
Hero (BTN): $24.55
SB: $26.95
BB: $24.70
UTG: $14.35
MP: $43.55

Pre-Flop: J[img]/images/graemlins/heart.gif[/img] Q[img]/images/graemlins/club.gif[/img] dealt to Hero (BTN)
2 folds, CO calls $0.25, <font color="red">Hero raises to $1.10</font>, 2 folds, CO calls $0.85

Flop: ($2.55) 2[img]/images/graemlins/diamond.gif[/img] K[img]/images/graemlins/heart.gif[/img] Q[img]/images/graemlins/spade.gif[/img] (2 Players)
CO checks, <font color="red">Hero bets $1.50</font>, CO calls $1.50

Turn: ($5.55) A[img]/images/graemlins/spade.gif[/img] (2 Players)
CO checks, Hero checks

River: ($5.55) J[img]/images/graemlins/diamond.gif[/img] (2 Players)
<font color="red">CO bets $3.50</font> Hero... pukes?

Re: 2 pair on straight board - call river?
 

No. I might call with aces up if I thought villain was likely to be bluffing, but not against an unknown and definitely not with middle two.

Re: 2 pair on straight board - call river?
 

I would probably fold KQ here as well