Is Silver and Blaze Dating?

Silver and Blaze is the second confirmed couple on the show.

Does Silver marry Blaze?

Silver is the father of two children, Cylan and Serenity, with Cylan being the youngest of the family, and is happily married to Blaze.

Is Silver and Blaze canon?

Sonic '06 isn't canon. Blaze is from another dimension, Silver is from the future. The canon is inspired by the recent games, though they barely explain any of the lore in this comic. It's like if Sonic Forces was the beginning of a soft reboot.