Hey there,

Like Phoebus mentioned, the best and easiest way to stabilize and ground the dream, in my experience, is simply to immerse yourself in it. Observe the details, listen to the sounds, touch things, smell things.

Generally speaking, the more attention you give a dream, the more vivid and grounded it gets. Various stabilization techniques work on this principle, but they risk having an averse affect because they're either focusing your mind on theorycrafting (I should spin), or the dream ending (I should do this or the dream will end), thereby withdrawing your attention from the dream itself and thus making it less grounded.

Just my 2 cents,

-Redrivertears-