Link to my cut of Rey vs the Serpent. Here she does not heal the serpent, instead it senses her dark power and retreats. Notice what happens to her hand: https://youtu.be/vMhEcoMmX28
EDITED POST:
And here’s a rough cut of Rey on Tatooine to show that the scene can work without any force ghosts:
https://youtu.be/2s11aO49bHM
I like it, but you would probably need to flip the last two shots. When she looks at the suns (formerly ghosts) the first time, she’s looking screen left, but in the shot of her walking towards the sunset she’s moving screen right anyway.