Both villains are calling stations. Is this ok or should I be getting suspicious at some point??

PokerStars No-Limit Hold'em, $1.00 BB (9 handed) Hand History converter Courtesy of PokerZion.com

SB ($100)
BB ($63.75)
Hero ($100)
UTG+1 ($36.95)
MP1 ($31.80)
MP2 ($63.90)
MP3 ($93.50)
CO ($174.40)
Button ($121.25)

Preflop: Hero is UTG with K[], K[].
Hero raises to $4, 3 folds, MP3 calls $4, 1 fold, Button calls $4, 2 folds.

Flop: ($13.50) 5[], J[], 8[] (3 players)
Hero bets $9.5, MP3 calls $9.50, Button calls $9.50.

Turn: ($42) 6[] (3 players)
Hero bets $34, MP3 calls $34, Button calls $34.

River: ($144) 3[] (3 players)
Hero bets $52.5 (All-In), MP3 calls $46 (All-In), Button calls $52.50.

Final Pot: $295