PokerStars - $0.10 NL - Holdem - 9 players

MP+1: 101.5 BB (VPIP: 13.62, PFR: 9.82, 3Bet Preflop: 3.42, Hands: 2,634)
MP+2: 100 BB (VPIP: 14.23, PFR: 8.02, 3Bet Preflop: 1.50, Hands: 501)
CO: 98.5 BB (VPIP: 0.00, PFR: 0.00, 3Bet Preflop: 0.00, Hands: 3)
BTN: 50.9 BB (VPIP: 16.22, PFR: 4.50, 3Bet Preflop: 0.00, Hands: 113)
SB: 64 BB (VPIP: 19.63, PFR: 13.36, 3Bet Preflop: 5.14, Hands: 1,440)
BB: 98.5 BB (VPIP: 19.17, PFR: 9.58, 3Bet Preflop: 1.68, Hands: 880)
UTG: 63.6 BB (VPIP: 48.01, PFR: 2.65, 3Bet Preflop: 1.12, Hands: 388)
Hero (UTG+1): 100 BB
MP: 103.1 BB (VPIP: 16.46, PFR: 13.50, 3Bet Preflop: 5.35, Hands: 814)

SB posts SB 0.5 BB, BB posts BB 1 BB

Pre Flop: (pot: 1.5 BB) Hero has Kc Kd
fold, Hero raises to 3 BB, fold, fold, fold, fold, fold, fold, BB calls 2 BB

Flop : (6.5 BB, 2 players) Tc 2d 9c
BB checks, Hero bets 4.2 BB, BB calls 4.2 BB

Turn : (14.9 BB, 2 players) 5h
BB checks, Hero bets 9.5 BB, BB raises to 30 BB, Hero calls 20.5 BB
Villain's xr OTT is 15% (3/20)

River : (74.9 BB, 2 players) 4d
BB bets 61.3 BB and is all-in, Hero calls 61.3 BB

I would like to hear what are your thoughts about this hand, i've been suffering on this stakes because these guys are reraising me a lot on spots like this and it is really hard to know when they are bluffing or not to make a profitable call.

Thanks you guys.