Heat a large skillet over medium high heat. Add the olive oil to the pan.
Add the cubed chicken to the pan and sauté for 10 minutes.
While the chicken is cooking, cook the dry white rice according to the recommended instructions.
Add the diced onions, minced garlic, black pepper and salt to the pan with the chicken. Cook for another 5 minutes or until the onions and garlic are translucent.
Add ¼ cup of buffalo sauce to the pan. Stir together and cook for 2 minutes. Remove from the heat and set aside.
Mix together the ¼ cup greek yogurt with the remaining ¼ cup buffalo sauce.
Assemble the buffalo chicken bowls by placing ¾ cup cooked white rice in the bottom, topping it with the carrots, celery, cucumbers, tomatoes and cooked chicken. Top with buffalo sauce/greek yogurt dressing and sprinkle blue cheese crumbles on top.