Prepare rice according to instructions on package.
Cook chicken and shred or cube. If using canned, drain completely.
Mix all ingredients in large bowl, adding salt and/or pepper as desired.
Distribute mixture in freezer pans. Evenly distribute and smooth top with spatula or the back of a spoon.
Cool completely, seal with plastic wrap and cover, and freeze.
To prepare, thaw in refrigerator over night. Bake at 350°F until cooked/warmed through (approximately 25-30 minutes).