$210 effective, villain and hero are both unknown.
OTTH
Hero opens A
9
$5 HJ and BB calls.
Flop ($11): K
9
4
. Villain checks-hero bets $4-villain calls.
Turn ($19): 7
. X-x.
River ($19): 2
. Villain bets $12. Hero?
A few questions beyond the main question:
1. What's your best value hand that you're checking ott?
2. Do you bet your flopped gutshots on the turn? I.e. QJ/JT/QT
3 What is the worst hand you call this river with?