McKee made his professional debut for Southland on 10 October 2015 in an away 39–20 loss to Canterbury.[4] He would make 20 appearances for the Southland Stags between 2015 and 2017.[5] McKee would score his first try for the Stags on 7 October 2017 against Wellington.[6][7]
McKee is of Cook Islands descent.[2] McKee is the fourth member of his family to play for Southland. His grandfather Bill, uncle David, and cousin Scott all played for the Stags.[3]