Here you go. Good idea.
Always keep some cooked rice in the fridge.
You will find a million uses for it. Chicken and rice soup? Yes, because you always keep homemade chicken stock in the freezer, or, jeez, you should. Fried rice? Fried rice requires day-old rice, and you love using up aging vegetables in fried rice, or you should.
You´ll probably be able to think up lots of other ideas for leftover rice. Just this morning I was looking at a recipe for larb, Thai lettuce cups with seasoned chicken, and it occurred to me that a little rice would be nice in there, with the other ingredients. Probably horribly inauthentic, but I liked the thought of lightening up the meatiness and bulking up with grains. Gonna try that real soon.
Today's example is something we've been doing for some time now, rice stirred in with beaten eggs and the additions of your choice (that was asparagus, when it was in season). This time we cooked it frittata-style, in a pan on the stove instead of casserole-style, in a covered dish in the oven. Still a winner. I recommend this for a good fast meal (and make sure the rice is not freshly cooked, because hot rice in beaten eggs = derp).
I really owe it to you to think of more ideas for leftover rice... Meatloaf? Salad? Yeah, I've made cold rice salad before, and it's kinda nice. What else? Tell me what you might do with leftover rice, because the next time you cook rice, you're going to make too much and save the extras. Aren't you?