It spreads and reaches a mature height of 6-8 inches. You also might enjoy variegated hostas in your shade garden. More are showing up in local nurseries. It has not bloomed in two years. I think you can rejuvenate your rose with pruning and fertilization.
Climbers bloom best when they are trained to reach outward rather than grow only vertically.
This encourages foliage and flowers along the canes, not just at the top. Remove the dead, diseased, weakest and oldest canes at the base to encourage new growth. You want to shape the climber so sun can penetrate the plant. Leave three or four of the most vigorous canes, and if possible, train them to fan outward. Some climbers bloom only in spring, some are repeat climbers.