Party 1/2 2 AK hands turn fold?

Party Poker 1/2 Hold'em (10 handed) converter

Preflop: Hero is UTG+1 with A[img]/images/graemlins/club.gif[/img], K[img]/images/graemlins/spade.gif[/img].
<font color="#666666">1 fold</font>, <font color="#CC3333">Hero raises</font>, <font color="#666666">7 folds</font>, BB calls.

Flop: (4.50 SB) 7[img]/images/graemlins/heart.gif[/img], 8[img]/images/graemlins/diamond.gif[/img], Q[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">BB bets</font>, <font color="#CC3333">Hero raises</font>, <font color="#CC3333">BB 3-bets</font>, Hero calls.

Turn: (5.25 BB) 3[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">BB bets</font>, Hero folds.

Final Pot: 6.25 BB

Party Poker 1/2 Hold'em (9 handed) converter

Preflop: Hero is Button with K[img]/images/graemlins/heart.gif[/img], A[img]/images/graemlins/diamond.gif[/img].
<font color="#666666">5 folds</font>, CO calls, <font color="#CC3333">Hero raises</font>, <font color="#666666">2 folds</font>, CO calls.

Flop: (5.50 SB) 4[img]/images/graemlins/heart.gif[/img], 9[img]/images/graemlins/club.gif[/img], 7[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">CO bets</font>, Hero calls.

Turn: (3.75 BB) 5[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">CO bets</font>, Hero folds.

Final Pot: 4.75 BB

Both villains were loose and unpredictable. They were also winning. The 2nd hand CO could be on a flush draw, but i thought it was unlikely HU.
Should I go to showdown in at least one of the hands?
Or call and fold the river if not improved?