Easy Cucumber Party Sandwiches

INGREDIENTS

• 1 (8 ounce) package whipped cream cheese with chives
• 1/2 cup sour cream
• 1/2 cup mayonnaise
• 1 (1 ounce) package ranch dressing mix (such as Hidden Valley Ranch®)
• 1 1/2 teaspoons dried dill weed
• 1 (1 pound) loaf thinly sliced white bread
• 1 cucumber, thinly sliced
• 1/4 cup snipped fresh dill leaves, or as needed