Bottom Set Time to Push?

[PaulG]

I know nothing about the villain in this case and I'm playing 22/6/2. Should I push here? Note: Full-Ring.

Poker Room skin
No Limit Holdem Ring game
Blinds: $0.15/$0.25
10 players
Converter

Stack sizes:
UTG: $24.60
UTG+1: $23.70
UTG+2: $20.55
MP1: $18.65
MP2: $2.75
MP3: $42.85
Hero: $25.40
Button: $51.90
SB: $19.35
BB: $37.20

Pre-flop: (10 players) Hero is CO with 2[img]/images/graemlins/spade.gif[/img] 2[img]/images/graemlins/diamond.gif[/img]
2 folds, UTG+2 calls, MP1 calls, 2 folds, Hero calls, <font color="#cc0000">Button raises to $1</font>, 2 folds, UTG+2 calls, MP1 calls, Hero calls.

Flop: 2[img]/images/graemlins/club.gif[/img] T[img]/images/graemlins/heart.gif[/img] 5[img]/images/graemlins/club.gif[/img] ($4.4, 4 players)
UTG+2 checks, MP1 checks, <font color="#cc0000">Hero bets $2.75</font>, Button folds, <font color="#cc0000">UTG+2 raises to $5.5</font>, MP1 folds, <font color="#cc0000">Hero ?