Yatahay Network - $0.25 NL (6 max) - Holdem - 4 players
Hand converted by PokerTracker 4

Hero (BB): 101.72 BB
CO: 107.52 BB
BTN: 193.56 BB
SB: 100 BB

SB posts SB 0.4 BB, Hero posts BB 1 BB

Pre Flop: (pot: 1.4 BB) Hero has J Q

fold, fold, SB raises to 2.48 BB, Hero calls 1.48 BB

Flop: (4.96 BB, 2 players) 9 J K
SB bets 3.52 BB, Hero calls 3.52 BB

Turn: (12 BB, 2 players) 2
SB checks, Hero bets 6 BB, SB calls 6 BB

River: (24 BB, 2 players) 3
SB bets 6.48 BB, Hero raises to 19.64 BB, SB raises to 50.68 BB, fold

SB wins 60.12 BB

Should I just call and take my showdown value here? Is there every any value in bluffing this spot? His line just seemed super unconfident but I still didn't think I was good enough for showdown.

Hard to tell without info about villain.
With no info, I think it's a fold on the river for me.

I think you can go a bit smaller ott.

In terms of taking showdown value, you don't have to when facing a bet if your hand is a good bluff candidate. Which it is, although you can have a lot of AcX hands. I think here, you can reasonably hope to fold out a lot of better hands, and get bluffed by very few weaker hands, so it seems fine. The reasoning is that if anything worse than your hand would fold, it makes no difference (against those hands) whether you call or raise, because you're winning the same amount either way. So, assuming you never get raised by worse (which is probably not far from being the case here), the only question is whether you get enough folds from better hands to make this profitable. And my guess is that is just about the case, hopefully getting folds from a decent amount of KX and maybe some two pairs. Obviously, your blockers are actually fairly important here, which is why having AcQx or AcTx would be better.

Why are we betting turn? We have decent SD value and lots of equity but he is never folding better unless we turn our hand into a bluff. Getting xr would be a disaster here.
You can still bet river for value of you think he is calling JT here.