How wonderful of you to take Ryder in and offer him a good home.
As far as training, try leerburg.com for free tips to basic obedience. I good trainer would be your best bet.
For food...What is he eating now and how much?
Dog Food Reviews and Ratings | Dog Food Advisor
This is a good resource here in the States. I'm sure some of the brands are available in Canada. You might want to look into RAW diet as well. Much less poop on raw for sure.
Best of luck to you both.