If I was your DD's hitting coach(not a hitting coach but, just a dad). The only 'flaw' I would be addressing right now, would be the lowering/dropping of the hands.
Yes. Has been the #1 area we have been working on. Wish we had the magic elixir but even when we make progress with the tee swings the lowering returns as soon as we get to a moving ball. We just keep plugging away and hope it clicks eventually.