2/4 Im confused

[GrandMelon]

Villain here isnt very good, 24/7 over a few hundred hands, no real reads yet. I havent really gotten out of line so far today. Other 2 villains are unknowns.

Note stack sizes

Line here and for rest of hand please

Poker Stars, $2/$4 PL Hold'em Cash Game, 8 Players
LeggoPoker Hand History Converter

BTN: $394
SB: $153.05
BB: $655.50
UTG: $254
UTG+1: $400
MP1: $360
Hero (MP2): $370
CO: $519.40

Pre-Flop: Q[img]/images/graemlins/heart.gif[/img] A[img]/images/graemlins/club.gif[/img] dealt to Hero (MP2)
UTG calls $4, 2 folds, <font color="red">Hero raises to $18</font>, 2 folds, SB calls $16, BB calls $14, UTG calls $14

Flop: ($72) 3[img]/images/graemlins/spade.gif[/img] A[img]/images/graemlins/heart.gif[/img] 7[img]/images/graemlins/heart.gif[/img] (4 Players)
SB checks, BB checks, <font color="red">UTG bets $28</font>, Hero