Combine all ingredients in a small bowl and whisk until combined.
The salad:
Cook rice noodles according to package instructions, rinse in cold water and set aside.
Heat canola in a large skillet set over medium-high heat. Add shrimp and cook until the shrimp is just cooked through, about 2 minutes per side. Take care not to overcook the shrimp or they will become rubbery.
Meanwhile, cut the endive in quarters lengthwise and slice into ½-inch pieces.
In a large bowl, combine cooked rice noodles, cooked shrimp, endive, red bell pepper, mint and cilantro.
Pour in dressing and toss the salad to combine all of the ingredients. Serve.