It's like having a baby again isn't it.
I think she would be more miserable being left with someone for that long. (and stress can cause major health problems in these guys). What would happen if the sitter had to call and tell you the little one is in the hospital, or got ran over or any number of other horrible things.
Also what about you? You would not relax for one minute for thinking about your baby all the time. It may be a little more work taking her, but don't you think it would be well worth it, seeing her happy just to be with you. Just get her a little collapsible crate for when you get there and need to put her in a safe spot. I have two Yorkies that I would take with me no matter what. I've passed up several chances to go overseas and to Hawaii with my husband on his business trips, only because of the quarantine laws. I won't go if they can't. Simple.