Wasn't Ryan the brand manager for Legends? Essentially I think he would have had final say (within the team and within reason) on what the line would focus on, what types of products and characters to include, how to balance the expenses and production budget. He would always have been Dwight's boss in terms decision making. Dwight as the designer could advocate for things and presumably had to figure out what they could and couldn't pull off, and I am sure had some influence on character selection and so on. But if Ryan or others felt that a horse was not going to sell enough to be worth the expense, it wouldn't have gone anywhere no matter how cool it might be to design one or be part of the lineup.
What I am not clear about is whether Dan is essentially the new Ryan, or if there is someone else on the team that has chosen not to be public facing.