Is there value on river?

33$ bounty

No Limit Holdem Tournament
8 Players
Stacks:
UTG Hero (213k) 21bb
UTG+1 (196k) 20bb
MP1 (423k) 42bb
MP2 (163k) 16bb
CO (771k) 77bb
BTN (286k) 29bb
SB (306k) 31bb
BB (266k) 27bb
Blinds: 5k/10k Ante 1.3k
Pre-Flop: (25k, 8 players) Hero is UTG Ah Jc

Hero calls 10k, 5 folds, SB calls 5k, BB checks

Flop: Jh Js Ks (40k, 3 players)
SB checks, BB checks, Hero bets 22k, SB calls 22k, BB folds
Turn: 10h (84k, 2)
SB checks, Hero bets 46k, SB calls 46k
River: Qs (176k, 2)
SB checks, Hero ???

id go for a smaller size bet. If you bet big you only get called by boat or same straight but if you bet like 1/4 - 1/3 pot they can call with a 9 or K. shouldnt be too worried about boat because you have blocker so checking back seems way too light IMO.