Set vs push on monochrome flop

[Lolzor]

Is this an easy fold or is there some value in shoving? Flush seems likely considering his AF or possibly a higher set. What is your line?

Villain is 19/7/0.9 over ~330 hands.

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

saw flop

BB ($9)
<font color="#C00000">UTG ($26.90)</font>
MP ($24.35)
Button ($25.60)
<font color="#C00000">Hero ($25.75)</font>

Preflop: Hero is SB with 4[img]/images/graemlins/club.gif[/img], 4[img]/images/graemlins/diamond.gif[/img].
<font color="#CC3333">UTG raises to $0.85</font>, MP calls $0.85, <font color="#666666">1 fold</font>, Hero calls $0.75, <font color="#666666">1 fold</font>.

Flop: ($2.80) 9[img]/images/graemlins/heart.gif[/img], 4[img]/images/graemlins/heart.gif[/img], 7[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(3 players)</font>
<font color="#CC3333">Hero bets $2.45</font>, <font color="#CC3333">UTG raises to $10.15</font>, MP folds, Hero ?