Joseph speaks to Pharaoh in third person. This is a way of showing respect. It can be stated in second person. Alternate translation: "You, Pharaoh, should look" (See: [[rc://en/ta/man/translate/figs-123person]])
The phrase "put him over" means to give someone authority. Alternate translation: "give him authority over the kingdom of Egypt" or "put him in charge of the kingdom of Egypt" (See: [[rc://en/ta/man/translate/figs-idiom]])