Hi Tricia,
I have not had any problem using modge podge on rice paper, for sure it is delicate so you have to be very liberal with it, if your brush or from brush is dry I could see it potential he ripping. A spray acrylic would also work, but be sure you cut it how you want it. First, so that you are not cutting it after, I think that could lead to some breakage.
Happy to provide more info if there’s more details I am missing here. I have use rice paper quite a lot in resident. Let me know!