There is always a dominant buck in an area. The thing is it may not be the trophy you were hoping for, but take what you can get if limited.
Short-term: Put yourself in the best position to kill the dominant buck in the area: Food sources throughout the season, doe concentrations during the rut, funnel areas between bedding & food. Scouting is key.
Long-term: Let the little ones grow. Put in a food plot if area available to do so. Continue putting out mineral licks year after year to assist in antler growth. Create cover...if you have areas you can let grow up, or areas you can log, do it. Thickets/cover over time, along bucks places to hide during heavy pressure.