How is she this morning?
If the crop is still full this morning, if you have a way of caging her within the coop/run that would be good. This is so you can monitor her more closely, get a good look at her poop and easily tend to her.
I would offer her 1teaspoon of coconut oil, hardened up and cut into bite sized pieces. Olive oil is o.k. too, but careful when syringing so she does not aspirate.
Massage the crop - tell us what it's like - fluid filled, hard, squishy, etc. is there any sour smell.
Give her water only to drink for a few hours and massage to see if it will go down.
Photos of her and the poop would be good too.
Tell us a little more about Punky while you're at it - has she been laying eggs? Feel her abdomen for bloat/swelling or fluid and check her for lice/mites.
Here's a couple of articles about crop problems you may want to read through as well.
Keep us posted.
http://www.backyardchickens.com/a/impacted-slow-and-sour-crops-prevention-and-treatments
https://www.backyardchickens.com/ar...w-to-know-which-one-youre-dealing-with.73607/