How much chicken and rice should I feed my dog, considering various factors such as his age, weight, and activity level? Given the plethora of dietary information available, how can one determine the optimal portion size to ensure that their beloved canine is receiving the appropriate nutrition without overfeeding? Is it sufficient to rely solely on general guidelines, or should a customized plan be devised in collaboration with a veterinarian? Moreover, could the specific health conditions or sensitivities of my dog necessitate adjustments to this dietary regimen? How frequently should these meals be administered throughout the day, and are there crucial signs to monitor that indicate whether the chosen amount is indeed suitable? Is there also a recommended balance between the chicken and rice components to maximize health benefits while minimizing any potential digestive issues? What other considerations should a responsible pet owner take into account when adhering to this feeding strategy?