Went with two friends. Drinks were good. Server was friendly and smart. Good beer list from what I could tell. Friends got burgers, I got the Y'all Chicken Salad, which might be the best fried chicken I've had here. Sweet potato fries were good. More expensive than Grub, and yeah, more crowded and cramped.
And yep, one of us got the Impossible Burger. Did it taste like meat? Oddly...sort of. Very salty though. Honestly was perfectly ok, but not my thing.
Much like how Fuego, Mad Taco, and Torchy's all coexist peacefully, I think Hopdoddy and Grub will as well.