Preheat oven to 425°F (220°C). Grease a 9 x 13-inch baking dish.
In the prepared dish (or in a separate bowl), whisk together brown sugar, soy sauce, garlic, and chicken broth. Add uncooked rice, onion, bell pepper, and pineapple (with its juice).
Cover the dish tightly with foil. Bake for 50-55 minutes. Uncover the dish and use a fork to fluff the rice. At this point, the rice should be almost tender and most of the liquid in the dish should be absorbed. If the rice is still very firm, or if there's still a lot of sauce in the dish, cover and return it to the oven for 5-10 more minutes, or until the rice is just about done.
Stir in the cooked chicken. Sprinkle the cooked, chopped bacon on top.
Return the dish to the oven, uncovered, and bake for an additional 5-10 minutes, or until the chicken is warmed through, the rice is completely tender, and the bacon is crispy.
Garnish with chopped green onions, chives, or herbs, if desired.