PLO25, bluff or ch river?

$0.10/$0.25 Pot Limit Omaha Hi
PokerStars
6 Players
Hand Conversion Powered by weaktight.com

Stacks:
UTG ANONIO48 ($10.46)
UTG+1 AlekSelin ($17.80)
CO Lëahcim ($28.74)
BTN Bigniux ($26.82)
SB JimPanse54 ($30.62)
BB alfadecosta ($45.60)

Pre-Flop: ($0.35, 6 players) Bigniux is BTN Q♥ J♣ 7♥ J♠
ANONIO48 calls $0.25, 2 folds, Bigniux raises to $1.10, JimPanse54 calls $1, 1 fold, ANONIO48 calls $0.85

Flop: 9♠ 4♥ 6♣ ($3.55, 3 players)
JimPanse54 checks, ANONIO48 checks, Bigniux bets $2.30, JimPanse54 calls $2.30, ANONIO48 calls $2.30

Turn: 8♥ ($10.45, 3 players)
JimPanse54 checks, ANONIO48 checks, Bigniux bets $7.40, JimPanse54 calls $7.40, ANONIO48 folds

River: Q♠ ($25.25, 2 players)
JimPanse54 checks, Bigniux???

SB 32/17, 54 hands. Regular, don't know good or not.
UTG 56/13, 45 hands.