Pot-limit - Difficult situation on turn

Betsson Pot-Limit $0.25/$0.25 (10 handed)

No read on any players.

Preflop: Hero is MP with J/images/graemlins/heart.gif, K/images/graemlins/diamond.gif. UTG calls $0.25, 1 fold, Hero calls $0.25, 2 folds, MP3 calls, CO calls $0.25, Button folds, both blinds check

Flop: ($1.50) K/images/graemlins/heart.gif , 6/images/graemlins/club.gif , 5/images/graemlins/club.gif (6 players)
Both blinds check, <font color="#CC3333">UTG bets $0.25, Hero raises $1, </font>, 4 folds, <font color="#CC3333">UTG raises $1.50,</font>, Hero calls $0.75.

Turn: ($5) J/images/graemlins/spade.gif (2 players)
<font color="#CC3333">UTG bets $2 Hero raises $4, UTG raises $15</font>

Fold, call (or reraise) ???

[Larimani]

stack sizes?

UTG $6 after last raise
Hero $19 before acting on raise

[JihadOnTheRiver]

You need to fold this preflop 100% of the time. As it is, push is fine, although you may be up against a set a lot of the time.