Dillon was added to Thursday's practice report as limited due to a back injury, Matt Schneidman of The Athletic reports.
The Packers have capped Aaron Jones' reps this week as he tends to an ankle issue, and now the team's top two running backs have question marks hanging over their heads. There's been no indication either player is in danger of missing Sunday's game versus the Steelers, but the situation bears watching as the week goes on.