Hill was a limited participant in Wednesday's practice due to a back issue.
The injury is a new one for the versatile 32-year-old, who took a season-high 14 carries for 46 yards and a touchdown in this past Sunday's 20-10 upset win over the Eagles. In Sunday's matchup with the Saints, both teams are expected to adopt a run-heavy approach with Hill serving as the de facto No. 2 option on the ground for New Orleans if he's able to play through the back injury.