micro stakes hand help

[metsfan88]

PokerStars Pot-Limit Omaha/8, $0.02 BB (6 handed) Poker Stars Converter Tool from FlopTurnRiver.com (Format: 2+2 Forums)

SB ($4.36)
Hero ($2.37)
UTG ($1)
MP ($1.32)
CO ($2.88)
Button ($3.26)

Preflop: Hero is BB with Q[img]/images/graemlins/heart.gif[/img], 3[img]/images/graemlins/heart.gif[/img], 8[img]/images/graemlins/club.gif[/img], 5[img]/images/graemlins/heart.gif[/img]. UTG posts a blind of $0.02.
UTG (poster) checks, <font color="#666666">2 folds</font>, Button calls $0.02, <font color="#666666">1 fold</font>, Hero checks.

Flop: ($0.07) 7[img]/images/graemlins/diamond.gif[/img], T[img]/images/graemlins/diamond.gif[/img], T[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(3 players)</font>
Hero checks, UTG checks, Button checks.

Turn: ($0.07) 8[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(3 players)</font>
Hero checks, UTG checks, Button checks.

River: ($0.07) 2[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(3 players)</font>
<font color="#CC3333">Hero bets $0.05</font>, UTG calls $0.05, <font color="#CC3333">Button raises to $0.27</font>, Hero calls $0.22, <font color="#CC3333">UTG raises to $0.98</font>, Button calls $0.71, Hero ??

Do you have to assume one of them has a3 or a4 here for the low? Is this a call or a fold?