Very unsure what to do here. Flop comments are also welcome.

PokerStars No-Limit Hold'em, $2.00 BB (8 handed) - Poker-Stars Converter Tool from FlopTurnRiver.com

saw flop

CO ($200)
Button ($205.35)
Hero (SB) ($259.80) only 2nd sb at table (no image)
BB ($239.75) -30/10 over 20 hands (no reads)
UTG ($578.15) -26/6 over 40 hands (no reads)
UTG+1 ($233.55) -18/10 bad reg
MP1 ($72.40)
MP2 ($200)

Preflop: Hero is SB with K, A
UTG calls $2, UTG+1 calls $2, 4 folds, Hero bets $12, BB calls $10, UTG calls $10, UTG+1 calls $10

Flop: ($48) K, J, 8 (4 players)
Hero bets $36, 1 fold, UTG calls $36, 1 fold

Turn: ($120) 7 (2 players)
Hero