If needed, see instructions for poaching the chicken in the above post.
Mix up dressing ingredients: the vinegar, mayo/yogurt and optional sour cream, and herbs along with salt and pepper. Taste, and if desired add a bit of honey or sugar. Adjust seasonings to taste.
Combine the remaining ingredients in a bowl, add dressing and toss. Make a bit ahead for the best flavor, but be aware some nuts may become a bit soggy over time.
Nutrition:
Per serving, a scant cup, made with mayo: Calories 402, tot fat 29g, sat fat 4g; mono 11g; poly, 13g, trans 0, chol 57mg; sod 354mg; pot 331mg; carb 15g; fib 2g; sugar 10g; prot 22g; vit a 15%, vit c 3%; calc 4%; Iron 7%