Leftheel feels dry in small areas.is that normal or could that be a symptom of infection?also not itchy or burns.nor peelings or cracks between toes

Just dryness or....: HI! this could be just plain skin dryness. Other than that depending on other signs or symptoms which you seem to disclaim dryness can be due to fungal ( athlete foot ), infections or eczema ( there is somethng called ' winter eczema as well ), as the most common causes. If using a lotion or cream moisturizer does not help with use once or twice a day for about a week then evaluate furhter.