NL25 (6max) - Donk the turn with FD on paired board?

[PokerSparky]

No reads.

Full Tilt Poker
No Limit Holdem Ring game
Blinds: $0.10/$0.25
6 players
Converter (http://www.neildewhurst.com/hand-converter)

Stack sizes:
UTG: $15
UTG+1: $41.95
CO: $10
Button: $11.65
Hero: $29.85
BB: $12.80

Pre-flop: (6 players) Hero is SB with 9/images/graemlins/heart.gif 8/images/graemlins/heart.gif
UTG (poster) checks, <font color="#cc0000">UTG+1 raises to $0.5</font>, 2 folds, Hero calls, BB folds, UTG calls.

Flop: 2/images/graemlins/heart.gif J/images/graemlins/diamond.gif J/images/graemlins/heart.gif ($1.75, 3 players)
Hero checks, UTG checks, <font color="#cc0000">UTG+1 bets $2</font>, Hero calls, UTG folds.

Turn: 3/images/graemlins/club.gif ($5.75, 2 players)
<font color="#cc0000">Hero bets $4</font>??

[Sir Winalot]

What is the purpose of this bet? It's pretty obvious the 3 didn't help your hand in any way imaginable.

[PokerSparky]

[ QUOTE ]
What is the purpose of this bet? It's pretty obvious the 3 didn't help your hand in any way imaginable.

[/ QUOTE ]

Well, I'm definitely not representing the three.

[Montezuma21]

I like it.