Anakin? Never. Only after Anakin was subjected to significant injury did Dooku choke him.
And that's Anakin prior to growing vastly in power and beating Dooku's teeth in. Not to mention that you're essentially applying reverse scaling -- it's a good feat for Dooku, not a bad one for Skywalker.
So your argument is fundamentally flawed on several levels. 👆
Originally posted by chingchangwalla
Krayt could drain skywalker if he couldn't ragdoll him. If he can drain Luke and Abeloth to a degree, he can do it to Anakin.
I don't even think they were defending, nor did Luke know of a technique to defend against it. Anakin does, though. Plus it's not really Krayt's M.O. to just drain people.