The youngster moved north in January for his first taste of top-team football but had to be patient and build up his fitness so he was ready to play his part under Jimmy Thelin.
Dorrington said: “That's why I'm here, to learn and play as many games as possible. I'm always ready if I'm not starting.
“This was a good opportunity to show what I can do and I feel I've done that so I'm happy.
“I've been here for two months and I feel settled. It took me a while to get my fitness but I feel I'm ready now and I just want to finish the season strongly.”
The Dons sit in fourth place and have a Scottish Cup semi-final against Hearts coming up.
So there's plenty to play for as they look to secure European football.
Thelin's side dropped two points away to bottom side St Johnstone at the weekend but got out of jail as third-placed Hibs lost a late equaliser to Kilmarnock and fifth-placed Dundee United crashed in the derby.
Dorrington is well aware that Aberdeen need to take control of their destiny.
The England Under-19 international said: “It is good for us but we don't want to focus on what other team...