Simple Chicken Fried Rice

Name: Simple Chicken Fried Rice
Cuisine: Asian
Ingredients: 2 tablespoons avocado oil; ¾ pounds chicken tenderloins, (cut into ½-inch pieces); 1 teaspoon Kosher salt; ½ teaspoon freshly ground black pepper; 2 tablespoons unsalted butter; 1 cup small diced carrot ((about 2 small carrots)); 1 cup finely diced yellow onion ((about ½ onion)); ½ cup finely chopped green onion ((about 3 green onions)); 2 garlic cloves (minced); 1 teaspoon freshly grated ginger; 2 cups day cooked white rice ((at least 1 day or old or dried out in the fridge) *see note); 2 tablespoons tamari or soy sauce; 1 teaspoon toasted sesame oil; 2 eggs (well whisked); 2 teaspoons toasted sesame seeds