1. Season the shrimp with the blackening seasoning. Place on a heated char-grill or broiler. Grill until just cooked through.
2. Place the toasted English muffin halves on a warmed serving plate.
3. Place 3 grilled shrimp on each half of the English muffin.
4. Place the poached eggs on top of the shrimp.
5. Ladle Dijon hollandaise on top of each of the eggs.