Schofield missed the friendly with former club Huddersfield last week with an infected toe but will take his place in the side for the Millers league opener at Don Valley.
And Grabban was quick to praise his new team mate.
“Danny is a class player and it is good to have him here", he said to the Star.
"He strengthens the team and will definitely do damage to near enough every team who will be in this division.”