50NL - what to do on the flop?

[alex-star]

The villain is about 23/5 over 40 hands or so. RRAI?

No Limit Holdem Ring game
Blinds: $0.25/$0.50
9 players
Converter

Stack sizes:
UTG: $45.98
UTG+1: $24.10
MP1: $24.36
MP2: $27.50
MP3: $118.59
CO: $12.20
Hero: $79.73
SB: $18.50
BB: $16

Pre-flop: (9 players) Hero is Button with A[img]/images/graemlins/heart.gif[/img] K[img]/images/graemlins/heart.gif[/img]
UTG folds, UTG+1 calls, MP1 calls, 3 folds, <font color="#cc0000">Hero raises to $3</font>, 3 folds, MP1 calls.

Flop: 9[img]/images/graemlins/diamond.gif[/img] J[img]/images/graemlins/heart.gif[/img] K[img]/images/graemlins/club.gif[/img] ($7.25, 2 players)
<font color="#cc0000">MP1 bets $7.5</font>, <font color="#cc0000">Hero ??</font>