>>20799496The descent engine also kicked most of the light dust far away from the landing site while it was descending
You can see it flying radially outward from the window during their descent.
And with no atmosphere, it doesn't billow up but just pushes out and away from the engine
They hovered for several seconds also, making sure to get to zero horizontal velocity
https://youtu.be/RONIax0_1ec?t=806