NL25 SH Riverbluff for 44BB?

[stever1k]

PokerStars No-Limit Hold'em, $0.25 BB (5 handed) Poker Stars Converter Tool from FlopTurnRiver.com (Format: 2+2 Forums)

BB ($27.50)
UTG ($18.45)
Hero ($25.90)
Button ($25.25)
SB ($19.90)

Preflop: Hero is MP with A[img]/images/graemlins/club.gif[/img], J[img]/images/graemlins/club.gif[/img].
UTG calls $0.25, <font color="#CC3333">Hero raises to $1.25</font>, <font color="#666666">3 folds</font>, UTG calls $1.

Flop: ($2.85) 6[img]/images/graemlins/club.gif[/img], 4[img]/images/graemlins/club.gif[/img], 8[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">UTG bets $3.25</font>, Hero calls $3.25.

Turn: ($9.35) K[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">UTG bets $3</font>, Hero calls $3.

River: ($15.35) Q[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(2 players)</font>
UTG checks, <font color="#CC3333">Hero bets $11</font>, UTG folds.

Final Pot: $15.35

Flopcall is probably close, not sure if I get ~7$ implied odds when I hit.
Without high showdown value on the River, give up the pot or try to steal as played in case villain played his (combo)draw this way and didn't hit? VIllain is unknown (50/25/1.25, 12 hands).