Dry nose. Have hard scabs in nose that bleed sometimes. Hurts to blow nose. Live in colorado very dry climate. How can I soften nose to prevent?

Sometimes impetigo. Sometimes scabs in the nose may just be from dryness, but other times, they may become secondarily infected. If vaseline or neosporin don't work, there is a chance it could be an impetigo infection. In such which case you would need to have an appointment for evaluation and a possible a prescription for something like mupirocin (an antibiotic) ointment.
Ointment. Use plain vaseline, carefully apply with cotton swab (q-tip) to hold moisture. If getting inflammed can use antibiotic (like neosporin) ointment, see your doctor if getting worse.