100NL - 99 River Decision vs. Reg

[willw9]

Villain is 18/14/5 over 600 hands. Multi-tabling regular, possibly 2p2er.

A) Is line prior to river standard?
B) WTF on river?
C) What is villain's range?

Full Tilt Poker
$0.50/$1 No Limit Hold'em Ring Game
6 Players
LegoPoker Hand Converter

<font color="black">Stack Sizes</font>
UTG: $172.20
MP: $142.60
CO: $100
BTN: $37.85
SB: $99.5
Hero (BB): $99

<font color="black">Preflop:</font> 9[img]/images/graemlins/spade.gif[/img] 9[img]/images/graemlins/heart.gif[/img] ($1.5, 6 players)
UTG folds, <font color="red">MP raises to $3</font>, CO calls $3, BTN calls $3, SB folds, Hero calls $2

<font color="black">Flop:</font> 6[img]/images/graemlins/spade.gif[/img] 4[img]/images/graemlins/diamond.gif[/img] 2[img]/images/graemlins/spade.gif[/img] ($12.5, 4 players)
<font color="red">Hero bets $9</font>, MP folds, CO calls $9, BTN folds

<font color="black">Turn:</font> 6[img]/images/graemlins/spade.gif[/img] 4[img]/images/graemlins/diamond.gif[/img] 2[img]/images/graemlins/spade.gif[/img] [3[img]/images/graemlins/club.gif[/img]] ($30.5, 2 players)
<font color="red">Hero bets $20</font>, CO calls $20

<font color="black">River:</font> 6[img]/images/graemlins/spade.gif[/img] 4[img]/images/graemlins/diamond.gif[/img] 2[img]/images/graemlins/spade.gif[/img] 3[img]/images/graemlins/club.gif[/img] [6[img]/images/graemlins/club.gif[/img]] ($70.5, 2 players)
Hero checks, <font color="red">CO bets all in for $68</font>, Hero?