Villain is TAG

What should I do here, and why?

***** Hand History for Game 2358503393 *****
$200 NL Texas Hold'em - Wednesday, July 13, 18:57:26 EDT 2005
Table Table 36682 (Real Money)
Seat 10 is the button
Total number of players : 10
Seat 2: lenoluck10 ( $245.75 )
Seat 3: innitm8 ( $187.70 )
Seat 5: pardeka ( $110.75 )
Seat 6: Scottbarzoe ( $197 )
Seat 9: Paphjort ( $63.80 )
Seat 8: Kingfish__ ( $221.95 )
Seat 10: Plitie ( $199.55 )
Seat 7: early_man ( $201 )
Seat 4: Sister_Marge ( $77 )
Seat 1: El_Judge ( $201 )
El_Judge posts small blind [$1].
lenoluck10 posts big blind [$2].
** Dealing down cards **
Dealt to Kingfish__ [ Ad Th ]
innitm8 folds.
Sister_Marge folds.
pardeka folds.
Scottbarzoe folds.
early_man folds.
Kingfish__ raises [$6].
Paphjort calls [$6].
Plitie folds.
El_Judge folds.
>You have options at Table 48817 Table!.
lenoluck10 calls [$4].
** Dealing Flop ** [ Ac, Kd, 4c ]
lenoluck10 checks.
Kingfish__ bets [$12].
Paphjort calls [$12].
lenoluck10 folds.
** Dealing Turn ** [ Js ]
Kingfish__ bets [$50].
Paphjort is all-In [$45.80]
** Dealing River ** [ 5c ]
Kingfish__ shows [ Ad, Th ] a pair of aces.
Paphjort shows [ Kh, As ] two pairs, aces and kings.
Kingfish__ wins $4.20 from side pot #1 with a pair of aces.
Paphjort wins $131.60 from the main pot with two pairs, aces and kings.