Sprinkle shrimp with steak seasoning. On four metal or soaked wooden skewers, thread shrimp. Grill, covered, over medium heat or broil 4 in. from heat until shrimp turn pink, 2-3 minutes on each side., Meanwhile, in a large skillet, cook bacon over medium heat until crisp, stirring occasionally. Remove with a slotted spoon; drain on paper towels. Discard all but 1 tablespoon drippings. Add shallot; cook and stir over medium heat until tender, 1-2 minutes. Stir in next six ingredients; bring to a boil. Remove from heat., In a large serving bowl, combine spinach and dressing; toss to coat. Layer with shrimp and pepper slices; top with cooked bacon and almonds.