Aw, normal lang yan sa edad na yan, maraming kids around 18-24 months na nagiging picky sa milk or gustong mag-explore ng solid foods na lang, kaya don't worry! Since kumakain na siya ng tatlong beses rice plus snacks, pwede mong i-balance through other sources like yogurt, cheese, or kahit lutong bahay with milk (cream soups, ginataan) para sa calcium, pero best na i-check with your pedia kung sapat na ba talaga ang nutrition niya or may need mag-adjust pa sa diet.