$100NL - TT - 3bet got called, A on flop

[Hanibbal]

Poker Stars
No Limit Holdem Ring game
Blinds: $0.50/$1
6 players
Converter

Stack sizes:
UTG: $100.75
UTG+1: $96.65
CO: $98.05
Button: $81
SB: $97
Hero: $132.05

Pre-flop: (6 players) Hero is BB with T[img]/images/graemlins/diamond.gif[/img] T[img]/images/graemlins/club.gif[/img]
UTG folds, <font color="#cc0000">UTG+1 raises to $3.5</font>, CO folds, Button calls, SB calls, <font color="#cc0000">Hero raises to $19</font>, UTG+1 calls, 2 folds.

Flop: 5[img]/images/graemlins/diamond.gif[/img] 4[img]/images/graemlins/heart.gif[/img] A[img]/images/graemlins/spade.gif[/img] ($45, 2 players)
Hero ?

villain is 27/22 over 50 hands. I didn't want to see that ace on the flop. What to do now?