Heat oven to 375°F. Set aside a 9x13-inch baking dish.
Place rice, cubed chicken, broth, and spices into baking dish. Stir until everything is evenly distributed. Cover baking dish with tinfoil and place in oven for 40-45 minutes.
Once cooked, stir mixture. Scoop chicken rice into a bowl and top with chopped cucumber, feta, tzatziki, and a squeeze of lemon juice. Enjoy!