Check doneness of the rice; the rice should be tender and all the liquid absorbed. (phamfatale.com)
Check doneness with a toothpick, they may need an extra 2 - 3 minutes (depending on oven). (wholesomelicious.com)
If you do not have a meat thermometer you may also check doneness by piercing the thickest part of the chicken and all juices should run clear not pink. (millerpoultry.com)