[hand]
Online 100NL
UTG+1 $270
Hero Btn $210 Ah7h
SB $111
BB $192

UTG+1 raise $2.4, call, call, call.
($9.6)

Flop 9h4h4d

check, check, UTG+1bet$6, hero call, sb call. BB raise to 16.
UTG+1 fold. Hero call, SB call.
($63.6)

Turn Ad
BB bet $31, I call. SB fold
($125.6)

River 9c
BB bet $62.5

Should I re-raise the flop? Do we always call river here?