Well, that\'s good that her crop somewhat emptied, even if it was accidently. Does it smell sour or like bread? That\'s what I was going to recommend, turn her upside down and gently squeeze to empty it. But you have to do it correctly or it could get in her lungs. Her breast should be toward you, head down, and you can\'t keep them upside down and the food flowing for more than 10 seconds. Then turn her up and let her catch her breath. Then repeat. Just do it a few times and let her rest. When the squishy stuff is out you should be able to tell if there is a mass in there or not. If she is blocked somewhere, crop or otherwise, she will continue to \"fill up\" her crop and it won\'t empty overnight.
Sharon I\'m not sure where to get a crop tube. Someone else on here might know. I improvised. I had some IV tubing here at the house and made one out of that. It works great with a small syringe. From what I have read, some use a small syringe and put it far back in the beak down the crop opening which is on the left corner of the chickens mouth IF the chicken is FACING YOU. I have my hubby hold the chicken and gently straighten the neck a bit while he holds the head and I open the beak with one hand while inserting the tube with the other. Keep a hold of the tube and chickens head or they can shake it out. Then I insert the liquid with a syringe via the tube. If you have a vet who knows you, you might be able to get them to sell you the IV tubing. I had a cat I had to administer fluids to, so I had plenty of the fluid bags and IV tubing here. They are usually packaged separately.
Oh, and I wouldn\'t do the antibiotics just yet. You may have to do surgery and then you will need antibiotics. First thing you need to determine is if she has a blockage somewhere or not. Sour crops usually happen because of a blockage. So I would treat for sour crop first, see if that helps. If it continues, she is blocked somewhere. If it\'s in the crop you will be able to feel it. If not and it\'s further down, nothing to do but try to flush it out by giving her lots of liquids, olive oil, etc., to lubricate the blockage. Hopefully, some of the liquid would be able to pass through.
If you do surgery, I can give you a few tips.