Q.Calamondin Orange
I live in a USDA 9 area and have a potted Calamondin orange outdoors all year. It receives full sun and is watered by a drip line to the pot. At the end of last winter, it dropped many of its leaves, but sprouted new leaves and now the plant is lush and full. However, it has not bloomed this year. I feed it with slow release granular food for citrus as directed.
What am I doing wrong?

Citrus trees need a significant amount of sunlight to bloom.
Water your plants sparingly in the early winter to induce blooming. Severe drought prevents blooming, but a small amount of water stress helps the blooms develop in the spring. When the weather turns coolest, usually between December and February, water your citrus trees once every two weeks, or whenever the soil feels dry an inch below the surface. Begin watering once a week as it gets closer to spring.
Water your plants sparingly in the early winter to induce blooming. Severe drought prevents blooming, but a small amount of water stress helps the blooms develop in the spring. When the weather turns coolest, usually between December and February, water your citrus trees once every two weeks, or whenever the soil feels dry an inch below the surface. Begin watering once a week as it gets closer to spring.
https://www.gardeningknowhow.com/edible/fruits/calamondins/growing-calamondin-trees.htm