Base on your prior posts, I suspect you've spent more than 25 minutes watching pitching videos and you know that there are no shortcuts or magic drills that miraculously turn your DD into an ace overnight. Well, the same holds for hitting. Be patient and work the process. EricF's 11 and 12 yr old Maddie threads should serve you and your DD well.
Truth! Hitting - like pitching, throwing, etc. - are all complex movement patterns involving many parts, which are performed largely with muscle memory. Reprogramming muscle memory can be a slow process.
I will hopefully have a "13yo Maddie" thread starting soon