2Pair - Can i call this shove ? NL25

[TheBad]

Stats where like 22/8, don´t remember exactly. I have been
playing very tight.

PokerStars No-Limit Hold'em, $0.25 BB (9 handed) Poker Stars Converter Tool from FlopTurnRiver.com (Format: 2+2 Forums)

saw flop|<font color="#C00000">saw showdown</font>

CO ($15.50)
Button ($28.10)
SB ($25)
BB ($25)
UTG ($31.85)
UTG+1 ($68.45)
<font color="#C00000">MP1 ($29.60)</font>
MP2 ($25.05)
<font color="#C00000">Hero ($31.15)</font>

Preflop: Hero is MP3 with A[img]/images/graemlins/club.gif[/img], 5[img]/images/graemlins/club.gif[/img].
UTG calls $0.25, <font color="#666666">1 fold</font>, MP1 calls $0.25, MP2 calls $0.25, Hero calls $0.25, CO calls $0.25, Button calls $0.25, <font color="#666666">1 fold</font>, BB checks.

Flop: ($1.85) 4[img]/images/graemlins/club.gif[/img], 5[img]/images/graemlins/heart.gif[/img], A[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(7 players)</font>
BB checks, UTG checks, MP1 checks, <font color="#CC3333">MP2 bets $0.25</font>, <font color="#CC3333">Hero raises to $1.5</font>, CO folds, Button folds, BB folds, UTG calls $1.50, MP1 calls $1.50, MP2 folds.

Turn: ($6.60) 8[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(3 players)</font>
UTG checks, MP1 checks, <font color="#CC3333">Hero bets $4.5</font>, UTG folds, <font color="#CC3333">MP1 raises to $27.85</font>, Hero ??????


Usually i fold PF, but the table was loose and i was card dead. Call or fold river ?