sprinkle (someone or something) with (something)
To cover or coat someone or something with lots of small drops or particles of something. I sprinkled the diorama with glitter to give it a festive look. The priest sprinkled the celebrants with holy water.
sprinkle (something) on (someone or something)
To drop, disperse, or scatter small drops or particles of something onto someone or something. I sprinkled glitter on the diorama to give it a festive look. The priest sprinkled holy water on the celebrants.
sprinkle someone or something with something
to lightly cover someone or something with something by scattering or sprinkling. The storm sprinkled us with a few droplets of water and then blew over. Larry sprinkled his grapefruit with powdered sugar.
sprinkle something on(to) someone or something
and sprinkle something onto scatter or dribble something onto someone or something. The minister sprinkled the water onto the baby. The cook sprinkled on a dusting of powdered sugar.