Without a reply from you to choose from, I am replying to the main thread and Choosing option 3.
After instructing them to pull them-self up, I instruct them to kick their legs to get them-self as horizontal as possible and to use anything they may have on them to use to pick into the ice and pull them-self out. Once out of the water, they are to roll towards the shore. Once safely on land, get them back to your camp (assuming it is very close) and treat for shock. NO food or water. Get wet clothing off and use the space blanket to warm them up with your own body heat by wrapping the both of you together in the blanket and anything else that is dry and will provide insulation.