JT put in weird spot after donk bet

[Jzo19]

i've played with villain for about 2 rounds and he seemed pretty aggro and i've caught him making wild bluffs but i dont think i can call this turn bet...advice plz

PokerStars No-Limit Holden's, $0.10 BB (6 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: 2+2 Forums)

BB ($9.95)
UTG ($15.70)
MP ($6.95)
CO ($15.10)
Hero ($14.10)
SB ($3.70)

Preflop: Hero is Button with T[img]/images/graemlins/heart.gif[/img], J[img]/images/graemlins/diamond.gif[/img].
UTG calls $0.10, MP calls $0.10, <font color="#666666">1 fold</font>, <font color="#CC3333">Hero raises to $0.6</font>, <font color="#666666">2 folds</font>, UTG calls $0.50, MP folds.

Flop: ($1.45) J[img]/images/graemlins/heart.gif[/img], 9[img]/images/graemlins/diamond.gif[/img], 8[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">UTG bets $0.1</font>, <font color="#CC3333">Hero raises to $0.8</font>, UTG calls $0.70.

Turn: ($3.05) 5[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">UTG bets $4.3</font>, Hero folds.

Final Pot: $7.35