Nyorai kuenderera mberi kweiyi ndima - Dickinson akaverengerwa semunhu anotarisa zvakanyanya uyo akazadzisa tarisiro yekuve wekutanga-kutenderera kusarudzwa pa2013 NHL Entry Draft, achisarudzwa 29th yakazara neDallas Stars. Dickinson akabatana neGuelph Storm yeOntario Hockey League (OHL) yemwaka wa2011-12 uye akazivikanwa nekutamba kwake kwakatanhamara paakatumidzwa zita kuOHL Second All-Rookie Team. Mwaka wakatevera akakokwa kutora chikamu muCHL Top Prospects Game, uye akazosarudzwa kuti atambe nechikwata cheCanada chakahwina menduru yegoridhe pa2013 IIHF World U18 Championships
. Mumwaka wa2013-14, Dickinson akabatsira Storm kutora mukwikwidzi weOHL vasati varasikirwa neEdmonton Oil Kings mumakwikwi ekupedzisira eMemorial Cup.