Hard to say if you got it out without pictures, but here's a great website:
http://butcherachicken.blogspot.com/2007/09/step-4-loosen-or-remove-crop.html
If she was eating anything that day it would be very easy to tell if you pulled the crop out. Sometimes it doesn't come out with the intestines. Cut just below where the crop would be, don't go too far so you don't cut the crop, and you should be able to pull it out that way.