WARNING: A buddy had one of his quests glitch to where he couldn't finish it. (The Quick and the Quickener) To avoid this, I recommend when you pick up a quest, complete it immediately instead of coming back later.
If one does glitch on you, jump in a friend's game and complete it with them, that worked for my friend.
There are 11 side missions in this DLC. All of them are completed in the areas in which you get them so no extra traveling required.
Vestige
The Quick and the Quicker (available after several main missions)
The Blastplains
Miracle Elixir Fixer
Devil Rustlers
Saurdew Valley
Money Back Guarantee
Ashfall Peaks
Dirty Deeds
The Legend of McSmugger
Obsidian Forest
Lost and Found
Of Blood and Beans
Bloodsun Canyon
The Meatman Prophecy
The Dandy and Damsel