I hope she gets better soon! The only thing that helped my Silkie that had wry neck was scrambled eggs, peace and quiet, and 3 times a day getting a Vit E tab squeezed into his mouth.
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Have a look at this and see if you think it could be crookneck also called wry neck:
http://www.browneggblueegg.com/Article.html
click on the left column where it says "crookneck" for the article
Silkies especially seem to be prone to it, and many have success at treating it with vitamins.
I have no experience with it, and thus cannot say if that is in fact what you have there.