Awkwards spot vs shortstack shove, player to act behind

[The Sower]

The player acting behind me is a calling station, so he doesn't need to have much. The short stack has been fairly tight, and I havnt seen him shove yet.

STAGE #681138085: HOLDEM NO LIMIT $1 - 2007-06-13 01:51:06 (ET)
Table: NAUTILUS ST (Real Money) Seat #1 is the dealer
Seat 1 - FL_RICO ($143.03 in chips)
Seat 2 - SOOCLOSE ($131.02 in chips)
Seat 3 - BRIANEWELCH ($32.75 in chips)
Seat 4 - THESOWER ($158.35 in chips)
Seat 5 - BORIK232 ($92.50 in chips)
Seat 6 - CARDRACK12 ($141.40 in chips)
SOOCLOSE - Posts small blind $0.50
BRIANEWELCH - Posts big blind $1
*** POCKET CARDS ***
Dealt to THESOWER [Qh Kh]
THESOWER - Raises $4 to $4
BORIK232 - Calls $4
CARDRACK12 - Calls $4
FL_RICO - Folds
SOOCLOSE - Folds
BRIANEWELCH - Calls $3
*** FLOP *** [6c Ks 7s] (pot $15)
BRIANEWELCH - Checks
THESOWER - Bets $12
BORIK232 - Calls $12
CARDRACK12 - Folds
BRIANEWELCH - All-In(Raise) $28.75 to $28.75
THESOWER...

Pot is now $68, and I need to call just $17. Should I just call, or isolate in some way?

[Lego05]

I guess I shove all-in to isolate and price out flush draws especially since you say he's a calling station so his call on the flop isn't really scary at all.