50plo - What's the play on this river???

50plo - clubgg - min 35% vpip

What's the play on this river???
Bet/fold? Bet/call? check/call? check/fold?

Hero (BB): 138.86 BB
UTG: 131.98 BB (VPIP: 34.83, PFR: 14.61, 3Bet Preflop: 11.76, Hands: 114)
CO: 82.08 BB (VPIP: 59.52, PFR: 2.38, 3Bet Preflop: 0.00, Hands: 58)
BTN: 494.72 BB (VPIP: 47.33, PFR: 24.43, 3Bet Preflop: 3.96, Hands: 337)
SB: 556.62 BB (VPIP: 54.00, PFR: 17.00, 3Bet Preflop: 8.51, Hands: 128)

SB posts SB 0.5 BB, Hero posts BB 1 BB

Pre Flop: (pot: 1.5 BB) Hero has Q♦ Q♣ J♦ 5♣

fold, CO calls 1 BB, BTN raises to 4.5 BB, SB calls 4 BB, Hero calls 3.5 BB, CO calls 3.5 BB

Flop: (18 BB, 4 players) T♠ J♠ 5♦
SB checks, Hero checks, CO checks, BTN checks

Turn: (18 BB, 4 players) 6♦
SB checks, Hero bets 18 BB, CO calls 18 BB, fold, SB calls 18 BB

River: (72 BB, 3 players) 8♦
SB checks,
Hero????