Well, I looked into all of this so that you don't have to! The results are below -- and it's safe to say that Miss. Emily was, indeed, a lover not a fighter.
* Dickinson only used the word "hug" once in the poem, "I bring an unaccustomed win" -- and she did not use the word to mean one person embracing another. Instead, the line with the word "hug" says, "The hands still hug the tardy glass."