Well done Pat - you're learning!! IF bone spur Hekla Lava , if Plantar Fasciitis it can take 4 weeks to heal. Dependant on how long it is since the trauma will determine whether begin with Arnica 30or 200. Then go on to Graphites - if burning in bed
Rhododendrun - bruised, tearing pain in heel. Feet feel cold better for heat and you are sensitive to windy stormy weather.
Rhus Tox - pain as if stepping on a stone,worse for first movement , better for continued movement. Restless and pain is worse at night.
Ruta- Causation, strain, over use, damage or inflammation in the ligaments or tendons. Pain on slightest exhertion, bruised sore aching heel.
Zinc - Pain is very exhausting.

Take all remedies in 30C for up to 4 days or in 6C for a couple of weeks at 3 x a day.

If what you have is Plantar Fascia the treatment is different as this is a tear.