25NL 6max: Set + OESD facing push

[kazana]

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

saw flop|<font color="#C00000">saw showdown</font>

<font color="#C00000">Hero ($24.75)</font>
BB ($32.40)
<font color="#C00000">UTG : Villain ($27.85)</font> Stats: 23/11/1 over only 50 hands.
MP ($37.25)
Button ($60.25)

Preflop: Hero is SB with 7[img]/images/graemlins/club.gif[/img], 7[img]/images/graemlins/heart.gif[/img].
<font color="#CC3333">Villain raises to $1</font>, MP calls $1, <font color="#666666">1 fold</font>, Hero calls $0.90, BB calls $0.75.

Flop: ($4) 5[img]/images/graemlins/heart.gif[/img], 6[img]/images/graemlins/spade.gif[/img], 8[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(4 players)</font>
<font color="#CC3333">Hero bets $1.65</font>, BB folds, Villain calls $1.65, MP calls $1.65.

Turn: ($8.95) 7[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(3 players)</font>
<font color="#CC3333">Hero bets $6.25</font>, <font color="#CC3333">Villain raises to $25.2</font>, MP folds, Hero ??.

I had to think long and hard, and I'm still not sure if this is an easy call/fold...
What would you do?

PS: I know, flop bet is uber-meh, feel free to criticize...