Over pair on flop C/R AI?

[Huggy]

PokerStars No-Limit Hold'em, $2 BB (6 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: 2+2 Forums)

SB ($372.30)
BB ($194)
UTG ($482.10)
MP ($107.25)
Hero ($220.05)
Button ($197)

Preflop: Hero is CO with J[img]/images/graemlins/club.gif[/img], J[img]/images/graemlins/diamond.gif[/img].
<font color="#666666">2 folds</font>, <font color="#CC3333">Hero raises to $8</font>, <font color="#CC3333">Button raises to $28</font>, <font color="#666666">2 folds</font>, Hero calls $20.

Flop: ($59) 7[img]/images/graemlins/spade.gif[/img], 8[img]/images/graemlins/diamond.gif[/img], 2[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>
Hero checks, <font color="#CC3333">Button bets $46</font>, <font color="#CC3333">Hero ???