I just did this for the first time last weekend on my AD.
I found i could tip it off the dolly no problem by myself.. worked on it all day (notice the grass fire result in the background, lol)
but when it came time to put it back on the dolly, no combo of engine hoist, come-along and ratchet straps could safely pickup and rotate it back on. i actually broke the back beam of my dolly trying to "tilt" it back on.
after i finally broke down and called a friend, it was very easy to lift back upright, catching it with the hoist, then having it balanced on the engine hoist while the dolly was rolled under it.
no way around it, you need atleast 2 people. 3 would make it even easier.