FCP 8 handed

RISE is SB with 9 10

PF: MP2 posts a blind
1 fold, UTG+1 calls, MP1 calls, MP2 checks, 2 folds, RISE completes, BB checks

Flop: (5 SB) K J 9
RISE checks, BB checks, UTG bets, MP1 calls, MP2 folds, RISE calls, BB calls

Turn:(4.5 BB) Q
RISE checks, BB checks, UTG bets, MP1 raises, RISE...

3-bet or call? calling and going for overcalls would be profitable if I split, but could be costly if I'm not.

don't 3-bet.

any real reason I don't?

I'm guessing it's cause I'd fold out worse hands and only get raised by something I lose to or split?

exactly.

1 card non-nut straights are not monsters.