3/6 what's my line on this nasty river...?

[Veron]

Villain is unfortunately unknown. He just sat down and this is like the 3rd hand he plays...

3/6, 5 handed
Hero is BB w/A [img]/images/graemlins/heart.gif[/img]A [img]/images/graemlins/diamond.gif[/img]

Preflop: 2 fold, BTN open limps, SB completes, <font color="red">Hero Raises </font>, both call

Flop: Q [img]/images/graemlins/diamond.gif[/img]4 [img]/images/graemlins/heart.gif[/img]5 [img]/images/graemlins/diamond.gif[/img] (6SB, 3 players)
SB checks, <font color="red">Hero Bets </font>, BTN calls, SB folds

Turn: T [img]/images/graemlins/spade.gif[/img] (4BB, 2 players)
<font color="red">Hero Bets, BTN Raises, Hero 3Bets </font>, BTN calls

River: Q [img]/images/graemlins/club.gif[/img] (10BB, 2 players)
Hero...

C/F? C/C? B/C? B/F?
What line is best here, and why is it better than the other options?