Geese don’t have a crop like chickens do, they have more of a stretchy throat so they don’t get sour crop the way chickens do. They can still get candida from a weak immune system or slow digestion from a number of things so if she has an enlarged squishy throat something odd is going on.
If she’s a heavy breed she might be about 17 to 20 pounds, medium breeds are around 12 to 15 pounds, light breeds are around 10 to 12 pounds, the easiest was to restrain and pick up a goose of they’re non cooperative is to slowly guide them into an enclosed space, corner them, and scoop them up...
It sounds like she’s egg bound. Do you have any calcium gluconate?
If you can fill a tub with warm water and set her in it for a soak, it can help her pass the egg.