Brush sliced bread with ½ of the olive oil using a pastry brush. Broil on high until golden brown, about 1-2 minutes, watching carefully not to burn. Flip over and brush with remaining oil. Broil another 1-2 minutes, , watching carefully not to burn.
In a small bowl, combine red onion and goat cheese. Spread a heaping teaspoon of goat cheese on each slice of bread. Top with a slice of salmon and a sprig of dill and serve.