Comments on my turn play here. Was my line okay or should I have shoved here?

$10 PLO

Seat 1: Pavel_md ($10.80 in chips)
Seat 2: greg wymenga ($11.95 in chips)
Seat 3: shedmanator ($8.65 in chips)
Seat 4: Scugalen ($14.85 in chips)
Seat 5: FreakOutZone ($9.25 in chips)
Seat 6: Hero ($13.85 in chips)
Hero: posts small blind $0.05
Pavel_md: posts big blind $0.10
*** HOLE CARDS ***
Dealt to Hero
greg wymenga: folds
shedmanator: folds
Scugalen: calls $0.10
FreakOutZone: calls $0.10
Hero: calls $0.05
Pavel_md: checks
*** FLOP ***
Hero: checks
Pavel_md: checks
Scugalen: checks
FreakOutZone: checks
*** TURN ***
Hero: bets $0.40
Pavel_md: folds
Scugalen: raises $1.20 to $1.60
FreakOutZone: folds
Hero: calls $1.20
*** RIVER ***
Hero: bets $3.45
Scugalen: calls $3.45
*** SHOW DOWN ***
Hero: shows [7d 8s 5h As] (a straight, Five to Nine)
Scugalen: mucks hand
Hero collected $10 from pot
*** SUMMARY ***
Total pot $10.50 | Rake $0.50
Board [Qh 2s 6s 5d 9d]
Seat 1: Pavel_md (big blind) folded on the Turn
Seat 2: greg wymenga folded before Flop (didn't bet)
Seat 3: shedmanator folded before Flop (didn't bet)
Seat 4: Scugalen mucked [4s Kd Kc 3h]
Seat 5: FreakOutZone (button) folded on the Turn
Seat 6: Hero (small blind) showed [7d 8s 5h As] and won ($10) with a straight, Five to Nine

OOP with 3 villains acting after hero, I would not pot here the flop.
Hero has only a nutflush draw at the flop and if he gets reraised, the hand is to weak (Only 8 outs + a backdoor straight draw) to call.

On this turn it looks fairly likely villain has the straight, especially since this was an unraised pot which was checked around on the flop. So bet-call seems fine there. If there would have been more action on the flop then I like a CRAI on such a turn against aggressive players; the line you took is fine against straightforward players.

On the flop you can make a case for potting (in which case you have to fold to a full repot against most players), checkraising (if your opponent in LP likes to take a stab at such flops and/or is capable of folding 2 pair type of hands) or check-calling. Strictly speaking you don't have odds to call a pot bet here but the pot is very small and at this level you'll get paid by a smaller flush often enough to peel one.