Dog Food Nutramax

5 year old beagle overweight?

i just got this beagle his well tempered and got him from a woman thats a dog catcher and finds homes for them she said his 10 pounds overweight lil barrel look i bought him nutramax low cal dog food type for overweight dogs i had retriever growing up im 33 now anywho how much food should he eat and how many times a day? i read the food bag said 2 1/3 cup for weight lose would that be twice a day? i plan on taking him for walks at least twice a day more in the summer as my family hikes and camps any advice would be helpful thanks

No that amount is for ONE time a day.