he is aggro. notice stack sizes. What should ping do here?

Hand #206528021 at table: Table TH 75
Started: Wed Feb 15 20:11:39 2006

Êó÷åðÿâûé is at seat 1 with 214.63
fili11 is at seat 2 with 55.67
NKI is at seat 3 with 863.20
PingZen is at seat 4 with 736.90
snobben1 is at seat 5 with 289.90

fili11 posts the large blind 4.00
Êó÷åðÿâûé posts the small blind 2.00

Êó÷åðÿâûé: --, --
fili11: --, --
NKI: --, --
PingZen: Ah, Ad
snobben1: --, --

Pre-flop:

NKI: Fold
PingZen: Raise 12.00
snobben1: Call 12.00
Êó÷åðÿâûé: Fold
fili11: Fold

Flop (Board: 3s, 6s, Qs):

PingZen: Bet 20.00
snobben1: Raise 52.00 (32 more to call)
PingZen: ??

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He is a good lag raising quite a lot in position. It gets tough on turn..

Hand #206490714 at table: Table TH 1233
Started: Wed Feb 15 19:35:03 2006

susi35 is at seat 1 with 0.00
PingZen is at seat 2 with 429.80
shade66 is at seat 3 with 157.00
NKI is at seat 4 with 432.60
Po'Boy is at seat 5 with 614.30

PingZen posts the large blind 4.00

PingZen: Ac, As
shade66: --, --
NKI: --, --
Po'Boy: --, --

Pre-flop:

shade66: Check
NKI: Fold
Po'Boy: Raise 16.00
PingZen: Call 16.00
shade66: Fold

Flop (Board: 2d, 8d, 4s):

PingZen: Check
Po'Boy: Bet 20.00
PingZen: Raise 60.00
Po'Boy: Call 60.00

Turn (Board: 2d, 8d, 4s, Ad):

PingZen: ??