[2][5] His maternal grandparents lived in Denton, Greater Manchester and while on an extended visit he was spotted by Sale Sharks.
[12] In February 2021 Dolly joined Coventry for the delayed 2021 RFU Championship season,[13] and scored three tries in as many matches.
[16] He scored further tries against London Irish and Worcester Warriors, after which Dolly was called up to the senior England squad in October 2021 for Tests against Tonga, Australia and South Africa.
[18][19] Dolly was selected in the squad for the 2022 Six Nations Championship but did not feature in the matches, his form for Leicester earned him a call up to an England training camp in May 2022 but on 21 May 2022 Dolly suffered a significant knee injury following an illegal crocodile roll by Adam Brocklebank as Leicester beat Newcastle 27–5.
[20] After an injury plagued spell Dolly was released from Leicester in April 2024, and quickly signed with Western Force, the Perth, Australia, based side.