can i call this river?

[SuitedDucks]

just 2nd orbit around so no real reads on villain yet.
am i good enough here on bottom pair/busted draw bluffs to make this call? shoudl i be bet/folding? what to do...?

Party Poker 2.00/4.00 Hold'em <font color="#0000FF">(9 handed)</font> link (http://www.darksun.lunarpages.com/poker/)

Preflop: Hero is SB with K/images/graemlins/spade.gif, J/images/graemlins/diamond.gif.
<font color="#666666">1 folds</font>, UTG+1 calls, MP1 calls, <font color="#666666">4 folds</font>, Hero completes, BB checks.

Flop: (4.00 SB) Q/images/graemlins/spade.gif, T/images/graemlins/diamond.gif, A/images/graemlins/diamond.gif <font color="#0000FF">(4 players)</font>
<font color="#CC3333">Hero bets</font>, BB calls, UTG+1 folds, MP1 calls.

Turn: (3.50 BB) A/images/graemlins/heart.gif <font color="#0000FF">(3 players)</font>
<font color="#CC3333">Hero bets</font>, BB folds, MP1 calls.

River: (5.50 BB) Q/images/graemlins/club.gif <font color="#0000FF">(2 players)</font>
Hero checks, <font color="#CC3333">MP1 bets</font>, Hero calls.

Final Pot: 7.50 BB.