That does seem like wry neck which can include symptoms, such as a neck twisted up, down, or to the side, or walking backward or in circles. Wry neck is a neurological symptom, which can be due to a head injury, vitamin B1 (thiamine) or E deficiency, or from some diseases such as Mareks, leukosis, or respiratory diseases that affect the brain in later stages. Wrapping her in a towel to feed the wet mash as you are doing is perfect. Make sure that her food and water are within her reach, and make sure that others do not hurt her.