77 with bottom set

[jumbojacks]

Villain is 14/10/7 over 100 hands. I haven't played with him in a while so I'm not too sure about his tendencies, so besides his stats, he's an unknown.

It's near the start of the session and I've been playing relatively tight.

PokerStars No-Limit Hold'em, $1.00 BB (6 handed) internettexasholdem.com

Hero ($100)
MP ($100)
CO ($249.10)
Button ($253.50)
SB ($100)
BB ($106.80)

Preflop: Hero is UTG with 7[img]/images/graemlins/spade.gif[/img], 7[img]/images/graemlins/diamond.gif[/img].
<font color="#CC3333">Hero raises to $4</font>, <font color="#666666">1 fold</font>, CO calls $4, <font color="#666666">3 folds</font>.

Flop: ($9.50) 8[img]/images/graemlins/club.gif[/img], 9[img]/images/graemlins/spade.gif[/img], 7[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">Hero bets $8</font>, <font color="#CC3333">CO raises to $30</font>, Hero...

Should I just shove here? or call and CRAI a safe turn? What range of hands do you put him on here? What do you do here if you call and a T or a 6 comes off?