NL 400 Do you like my shove here?

[Ed_Warren]

Villain is a nit

PokerStars No-Limit Hold'em, $4 BB (7 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: 2+2 Forums)

BB ($254.65)
UTG ($232)
MP1 ($479)
Hero ($398)
CO ($386.95)
Button ($331.35)
SB ($213.15)

Preflop: Hero is MP2 with J[img]/images/graemlins/club.gif[/img], J[img]/images/graemlins/heart.gif[/img].
<font color="#666666">1 fold</font>, MP1 calls $4, <font color="#CC3333">Hero raises to $20</font>, <font color="#666666">1 fold</font>, Button calls $20, <font color="#666666">2 folds</font>, MP1 folds.

Flop: ($50) 6[img]/images/graemlins/club.gif[/img], J[img]/images/graemlins/spade.gif[/img], J[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">Hero bets $30</font>, Button calls $30.

Turn: ($110) 6[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>
Hero checks, Button checks.

River: ($110) 4[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">Hero bets $348 (All-In)

After I showed weakness on the turn, I think he will call with almost any PP here.
What do you think ? Good/Bad move ?