NL200: turn checkraise all in with middle pair + FD against donk

[Jurrr]

5-handed, NL200.

Hero is BB with $200 and K[img]/images/graemlins/spade.gif[/img] 9[img]/images/graemlins/spade.gif[/img].
UTG is donkish 57/23/4.75 with $161. Only 11% went to SD but sample of 47 hands only.
CO is a loose passive fish.

UTG raises to $4, CO calls, 2 folds, Hero calls $2.

Flop J[img]/images/graemlins/spade.gif[/img] 2[img]/images/graemlins/club.gif[/img] 9[img]/images/graemlins/club.gif[/img] ($13)

Hero checks, UTG bets $13, CO folds, hero calls $13.

Turn 5[img]/images/graemlins/spade.gif[/img] ($39)

Hero checks, UTG bets $28, Hero shoves (UTG has $116 behind), UTG...

I'm mostly looking to see if my thought process doesn't show major leaks as I find myself doing these semi-bluff/semi-value shoves often.

Preflop I think a call is the only option.

On the flop I felt I may as well keep the pot small and not raise as he calls me with most draws and I don't feel like firing the turn and check-calling river when he does.

On the turn he fires again and I've picked up more outs. I feel like I have some FE, may have the best hand some of the time that I would probably fold on the river if he fires again, and have enough outs against his range to cover up the rest for this high-variance move to be profitable.

That's what I thought last night. Today I think I was on tilt and just muttered "godddammit I'm going arr in I can lose a buyin" but cannot really think of a better line.