Hello I'm totally new here and I'm still learning so I thought I can use your opinion in this hand.. I'll be happy for any advice you can give me to improve my game.. thank you

888 Poker - $0.02 NL (6 max) - Holdem - 6 players

MP: 42.5 BB (VPIP: 75.00, PFR: 29.55, 3Bet Preflop: 3.77, Hands: 135)
CO: 170 BB (VPIP: 50.00, PFR: 2.17, 3Bet Preflop: 0.00, Hands: 46)
Hero (BTN): 55 BB
SB: 40.5 BB (VPIP: 0.00, PFR: 0.00, 3Bet Preflop: 0.00, Hands: 3)
BB: 63 BB (VPIP: 27.08, PFR: 17.02, 3Bet Preflop: 7.14, Hands: 49)
UTG: 49 BB (VPIP: 38.24, PFR: 9.09, 3Bet Preflop: 0.00, Hands: 34)

SB posts SB 0.5 BB, BB posts BB 1 BB

Pre Flop: (pot: 1.5 BB) Hero has 9h Kh
fold, MP calls 1 BB, CO calls 1 BB, Hero raises to 6 BB, fold, fold, MP calls 5 BB, fold

Flop : (14.5 BB, 2 players) Ks 4s 4h
MP checks, Hero bets 14.5 BB, MP calls 14.5 BB

Turn : (43.5 BB, 2 players) Ad
MP checks, Hero bets 34.5 BB, MP calls 22 BB

River : (87.5 BB, 2 players) 7s

MP shows Js 6s (Flush, King High)
(Pre 37%, Flop 33%, Turn 20%)

Hero shows 9h Kh (Two Pair, Kings and Fours)
(Pre 63%, Flop 67%, Turn 80%)

MP wins 82.5 BB