25plo - My line feels weak

25plo - coinpoker - no min vpip

My line feels weak.
We supposed to check back flop then fold turn like played????

Hero (CO): 102.2 BB
BTN: 99.52 BB (VPIP: 38.46, PFR: 33.33, 3Bet Preflop: 0.00, Hands: 14)
SB: 17.64 BB (VPIP: 19.23, PFR: 11.97, 3Bet Preflop: 9.35, Hands: 234)
BB: 191.84 BB (VPIP: 29.51, PFR: 21.31, 3Bet Preflop: 17.39, Hands: 61)
UTG: 146.92 BB (VPIP: 35.71, PFR: 0.00, 3Bet Preflop: 0.00, Hands: 14)
UTG+1: 83.2 BB (VPIP: 23.81, PFR: 9.52, 3Bet Preflop: 10.00, Hands: 21)
MP: 99.32 BB (VPIP: 36.27, PFR: 21.57, 3Bet Preflop: 10.00, Hands: 210)

7 players post ante of 0.08 BB, SB posts SB 0.4 BB, BB posts BB 1 BB

Pre Flop: (pot: 1.96 BB) Hero has K♦ J♠ J♦ 2♠

UTG calls 1 BB, UTG+1 calls 1 BB, fold, Hero raises to 5.4 BB, fold, fold, fold, fold, UTG+1 calls 4.4 BB

Flop: (13.76 BB, 2 players) 8♣ 9♦ K♥
UTG+1 checks, Hero checks

Turn: (13.76 BB, 2 players) 6♣
UTG+1 bets 6.44 BB, fold