Am i shoving these hands?

[recallme]

1.Villain and i are behind Bu, who is a total manaic. Villain tag

Poker Stars
No Limit Holdem Ring game
Blinds: $10/$20
5 players
Converter

Stack sizes:
UTG: $4694
Hero: $3846
Button: $4470.10
SB: $3188
BB: $2822

Pre-flop: (5 players) Hero is CO with 9[img]/images/graemlins/club.gif[/img] J[img]/images/graemlins/club.gif[/img]
<font color="#cc0000">UTG raises to $100</font>, Hero calls, 3 folds.

Flop: J[img]/images/graemlins/spade.gif[/img] 8[img]/images/graemlins/heart.gif[/img] 9[img]/images/graemlins/heart.gif[/img] ($230, 2 players)
<font color="#cc0000">UTG bets $200</font>, <font color="#cc0000">Hero raises to $550</font>, UTG calls.

Turn: 5[img]/images/graemlins/heart.gif[/img] ($1330, 2 players)
UTG checks, <font color="#cc0000">Hero bets $1000</font>, UTG calls.

River: 2[img]/images/graemlins/club.gif[/img] ($3330, 2 players)
UTG checks, <font color="#cc0000">Hero has left $2196</font>



2. Villain is 20/16 a pretty good reg, no 3bet pot history today
Cryptologic
No Limit Holdem Ring game
Blinds: $5/$10
5 players
Converter

Stack sizes:
UTG: $248.25
CO: $2277
Button: $868.45
SB: $1140.50
Hero: $1567.75

Pre-flop: (5 players) Hero is BB with A[img]/images/graemlins/spade.gif[/img] Q[img]/images/graemlins/heart.gif[/img]
UTG folds, <font color="#cc0000">CO raises to $35</font>, 2 folds, <font color="#cc0000">Hero raises to $125</font>, CO calls.

Flop: Q[img]/images/graemlins/club.gif[/img] 4[img]/images/graemlins/diamond.gif[/img] 8[img]/images/graemlins/club.gif[/img] ($255, 2 players)
<font color="#cc0000">Hero bets $200</font>, CO calls.

Turn: 3[img]/images/graemlins/spade.gif[/img] ($655, 2 players)
Hero checks, <font color="#cc0000">CO bets $400</font>, <font color="#cc0000">Hero has left $1242.75</font>


I made my normal conti bet and then decided to to check to catch a bluff from him. If i bet turn myself i will be commited anyway.
Anyone shoving or should i just fold?