BB defense

[morgan180]

what do you guys do with A-rag facing a standard raise from the button?

PokerStars Game #2112128758: Tournament #10107566, Hold'em No Limit - Level III (25/50) - 2005/07/15 - 22:01:57 (ET)
Table '10107566 1' Seat #7 is the button
Seat 1: badgolf (1340 in chips)
Seat 2: DAD557 (1460 in chips)
Seat 3: dulltom (1365 in chips)
Seat 4: Tazman23 (1630 in chips)
Seat 5: fatfish (2175 in chips)
Seat 6: PolishHammer (1830 in chips)
Seat 7: Urdawg (1365 in chips)
Seat 8: JM33W (895 in chips)
Seat 9: pmorganb (1440 in chips)
JM33W: posts small blind 25
pmorganb: posts big blind 50
*** HOLE CARDS ***
Dealt to pmorganb [As 4c]
badgolf: folds
DAD557: folds
dulltom: folds
Tazman23: folds
fatfish: folds
PolishHammer: folds
Urdawg: raises 100 to 150
JM33W: calls 125
pmorganb: ......?????