Greek-style Chicken with Feta Rice and Lemon-garlic Butter, Feta Rice and Lemon-garlic Butter

chicken breast, lemon, jasmine rice, spinach, water, salt, wine vinegar, extra virgin olive oil, feta cheese (feta cheese [pasteurized milk, salt, cheese culture, powdered cellulose, butter (pasteurized organic sweet cream, salt, green onion, garlic