When I started out earlier today my PAHud wasn't working right and I was just playing one round then quitting since I am a bot and this hand came up. Opp. has $17 and change left after his flop bet. 4th hand at the table and no read.

Party Poker No-Limit Hold'em, $ BB (10 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver)

Button ($37.85)
SB ($49.90)
BB ($82.72)
UTG ($23.14)
UTG+1 ($27.35)
UTG+2 ($75.85)
MP1 ($66.16)
MP2 ($33.50)
MP3 ($79.29)
Hero ($59.61)

Preflop: Hero is CO with J, J. SB posts a blind of $0.25.
UTG raises to $2, 5 folds, Hero calls $2, 3 folds.

Flop: ($4.75) 2, 2, 6 (2 players)
UTG bets $4, Hero?