turned flush on paired board

[Charlie_VB]

Party Poker - No Limit Hold'em Cash Game - $0.50/$1 Blinds - 6 Players - (LegoPoker HH Converter)

SB: $73.86
<font color="black">Hero (BB): $149.02</font>
UTG: $125.30
MP: $153.85
CO: $85.55
BTN: $111.14

<font color="black">Preflop:</font> Hero is dealt 4[img]/images/graemlins/club.gif[/img] 5[img]/images/graemlins/club.gif[/img] (6 Players)
<font color="red">UTG raises to $4</font>, 4 folds, Hero calls $3

<font color="black">Flop:</font> ($8.50) J[img]/images/graemlins/club.gif[/img] Q[img]/images/graemlins/club.gif[/img] A[img]/images/graemlins/spade.gif[/img] (2 Players)
Hero checks, <font color="red">UTG bets $6</font>, Hero calls $6

<font color="black">Turn:</font> ($20.50) A[img]/images/graemlins/club.gif[/img] (2 Players)
Hero checks, <font color="red">UTG bets $12</font>, Hero calls $12

<font color="black">River:</font> ($44.50) 7[img]/images/graemlins/heart.gif[/img] (2 Players)
Hero checks, <font color="red">UTG bets $30</font>, Hero???

[Imrahil]

Fold PF. Because this is PP I call river.

[Unknown Soldier]

fold pf, as played lead or c/r flop. Lead turn as played i'd call your hand doesn't look strong at all he could easily be betting a lower A here