Should you fold to them? Take this hand for example. Clearly my K is beat, but the pot is laying me like 4.4:1 odds. Is it worth the call to see if a heart or J come?

FullTiltPoker Game #189026553: Table Triest (6 max) - $2/$4 - No Limit Hold'em - 18:07:33 ET - 2005/08/18
Seat 1: HeadWoundHarry ($1,026.10)
Seat 2: Carolina Pirate ($65.40)
Seat 3: andr3w321 ($284)
Seat 4: SpydaMan77 ($160)
Seat 5: detan8 ($177.20)
Seat 6: kingbets ($394)
Carolina Pirate posts the small blind of $2
andr3w321 posts the big blind of $4
SpydaMan77 posts $4
The button is in seat #1
*** HOLE CARDS ***
Dealt to andr3w321 [:Kh: :Jh:]
SpydaMan77 checks
detan8 folds
kingbets raises to $9
HeadWoundHarry calls $9
Carolina Pirate calls $7
andr3w321 calls $5
SpydaMan77 calls $5
*** FLOP *** [ :Kd:]
Carolina Pirate checks
andr3w321 bets $32
SpydaMan77 folds
kingbets raises to $64
HeadWoundHarry folds
Carolina Pirate folds
andr3w321 calls $32
*** TURN *** [6h 3d Kd] []
andr3w321 checks
kingbets bets $65
andr3w321 folds
Uncalled bet of $65 returned to kingbets
kingbets mucks
kingbets wins the pot ($170)
*** SUMMARY ***
Total pot $173 | Rake $3
Board: [6h 3d Kd 5c]
Seat 1: HeadWoundHarry (button) folded on the Flop
Seat 2: Carolina Pirate (small blind) folded on the Flop
Seat 3: andr3w321 (big blind) folded on the Turn
Seat 4: SpydaMan77 folded on the Flop
Seat 5: detan8 didn't bet (folded)
Seat 6: kingbets collected ($170), mucked